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8769640000 = 265411191049
BaseRepresentation
bin10000010101011011…
…00001011001000000
3211122011121212111111
420022231201121000
5120430011440000
64010111453104
7430214465362
oct101255413100
924564555444
108769640000
1137a0262370
121848b27194
13a99b261c4
145d29acd32
15364d76cba
hex20ab61640

8769640000 has 280 divisors, whose sum is σ = 24995124000. Its totient is φ = 3018240000.

The previous prime is 8769639973. The next prime is 8769640001. The reversal of 8769640000 is 469678.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8769640001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8359476 + ... + 8360524.

It is an arithmetic number, because the mean of its divisors is an integer number (89268300).

Almost surely, 28769640000 is an apocalyptic number.

8769640000 is a gapful number since it is divisible by the number (80) 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 8769640000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12497562000).

8769640000 is an abundant number, since it is smaller than the sum of its proper divisors (16225484000).

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

8769640000 is a wasteful number, since it uses less digits than its factorization.

8769640000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 8769640000 is about 93646.3560422935. The cubic root of 8769640000 is about 2062.1832510210.

The spelling of 8769640000 in words is "eight billion, seven hundred sixty-nine million, six hundred forty thousand".