Search a number
-
+
15044198400 = 214325271153
BaseRepresentation
bin11100000001011010…
…00100000000000000
31102211110022110111100
432000231010000000
5221302303322100
610524453214400
71041544401510
oct160055040000
942743273440
1015044198400
11642006aa20
122aba331400
131559a5285a
14a2a04b840
155d0b45400
hex380b44000

15044198400 has 1080 divisors, whose sum is σ = 68455243584. Its totient is φ = 3067084800.

The previous prime is 15044198371. The next prime is 15044198401. The reversal of 15044198400 is 489144051.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (15044198401) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 283852774 + ... + 283852826.

Almost surely, 215044198400 is an apocalyptic number.

15044198400 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 15044198400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34227621792).

15044198400 is an abundant number, since it is smaller than the sum of its proper divisors (53411045184).

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

15044198400 is a wasteful number, since it uses less digits than its factorization.

15044198400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

It can be divided in two parts, 15044 and 198400, that added together give a square (213444 = 4622).

The spelling of 15044198400 in words is "fifteen billion, forty-four million, one hundred ninety-eight thousand, four hundred".