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38697534930 = 2351319846701
BaseRepresentation
bin100100000010100011…
…011000010111010010
310200212220020110022110
4210002203120113102
51113223032104210
625435530250150
72536650422355
oct440243302722
9120786213273
1038697534930
111545882782a
1275bb886956
133859293582
141c3160829c
1510174ab420
hex9028d85d2

38697534930 has 32 divisors (see below), whose sum is σ = 93583055808. Its totient is φ = 10240568000.

The previous prime is 38697534919. The next prime is 38697534943. The reversal of 38697534930 is 3943579683.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4919421 + ... + 4927280.

It is an arithmetic number, because the mean of its divisors is an integer number (2924470494).

Almost surely, 238697534930 is an apocalyptic number.

38697534930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38697534930 is an abundant number, since it is smaller than the sum of its proper divisors (54885520878).

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

38697534930 is a wasteful number, since it uses less digits than its factorization.

38697534930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9846842.

The product of its (nonzero) digits is 14696640, while the sum is 57.

The spelling of 38697534930 in words is "thirty-eight billion, six hundred ninety-seven million, five hundred thirty-four thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 131 262 393 655 786 1310 1965 3930 9846701 19693402 29540103 49233505 59080206 98467010 147700515 295401030 1289917831 2579835662 3869753493 6449589155 7739506986 12899178310 19348767465 38697534930