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38401535923 = 265926715407
BaseRepresentation
bin100011110000111010…
…001110111110110011
310200010021021011000021
4203300322032332303
51112121243122143
625350314104311
72526424445452
oct436072167663
9120107234007
1038401535923
1115316736353
12753871b097
13380cb6692a
141c04196b99
15eeb4dcced
hex8f0e8efb3

38401535923 has 8 divisors (see below), whose sum is σ = 38437468160. Its totient is φ = 38365625160.

The previous prime is 38401535863. The next prime is 38401535941. The reversal of 38401535923 is 32953510483.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 38401535923 - 29 = 38401535411 is a prime.

It is a super-2 number, since 2×384015359232 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38401535923.

It is not an unprimeable number, because it can be changed into a prime (38401535023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7099486 + ... + 7104892.

It is an arithmetic number, because the mean of its divisors is an integer number (4804683520).

Almost surely, 238401535923 is an apocalyptic number.

38401535923 is a deficient number, since it is larger than the sum of its proper divisors (35932237).

38401535923 is a wasteful number, since it uses less digits than its factorization.

38401535923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10737.

The product of its (nonzero) digits is 388800, while the sum is 43.

The spelling of 38401535923 in words is "thirty-eight billion, four hundred one million, five hundred thirty-five thousand, nine hundred twenty-three".

Divisors: 1 2659 2671 5407 7102189 14377213 14442097 38401535923