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15050450000 = 24552411249
BaseRepresentation
bin11100000010001001…
…11010010001010000
31102211220002002002002
432001010322101100
5221310403400000
610525235213132
71041651466655
oct160104722120
942756062062
1015050450000
11642364a933
122b004471a8
13155b131221
14a2abd7c2c
155d147c8d5
hex38113a450

15050450000 has 120 divisors (see below), whose sum is σ = 36628515000. Its totient is φ = 5990400000.

The previous prime is 15050449951. The next prime is 15050450053. The reversal of 15050450000 is 5405051.

It can be written as a sum of positive squares in 12 ways, for example, as 14818679824 + 231770176 = 121732^2 + 15224^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12049376 + ... + 12050624.

It is an arithmetic number, because the mean of its divisors is an integer number (305237625).

Almost surely, 215050450000 is an apocalyptic number.

15050450000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15050450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18314257500).

15050450000 is an abundant number, since it is smaller than the sum of its proper divisors (21578065000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15050450000 is an equidigital number, since it uses as much as digits as its factorization.

15050450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523 (or 1497 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

Adding to 15050450000 its reverse (5405051), we get a palindrome (15055855051).

The spelling of 15050450000 in words is "fifteen billion, fifty million, four hundred fifty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 241 250 400 482 500 625 964 1000 1205 1249 1250 1928 2000 2410 2498 2500 3125 3856 4820 4996 5000 6025 6245 6250 9640 9992 10000 12050 12490 12500 19280 19984 24100 24980 25000 30125 31225 48200 49960 50000 60250 62450 96400 99920 120500 124900 150625 156125 241000 249800 301009 301250 312250 482000 499600 602018 602500 624500 753125 780625 1204036 1205000 1249000 1505045 1506250 1561250 2408072 2410000 2498000 3010090 3012500 3122500 3903125 4816144 6020180 6025000 6245000 7525225 7806250 12040360 12050000 12490000 15050450 15612500 24080720 30100900 31225000 37626125 60201800 62450000 75252250 120403600 150504500 188130625 301009000 376261250 602018000 752522500 940653125 1505045000 1881306250 3010090000 3762612500 7525225000 15050450000