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38925809311 = 110629351859
BaseRepresentation
bin100100010000001010…
…001011011010011111
310201110210202222220011
4210100022023122133
51114210001344221
625514323104051
72545421630344
oct442012133237
9121423688804
1038925809311
1115565671744
127664212027
13389466a27c
141c53a6a7cb
15102c54d1e1
hex91028b69f

38925809311 has 4 divisors (see below), whose sum is σ = 38926271800. Its totient is φ = 38925346824.

The previous prime is 38925809309. The next prime is 38925809327. The reversal of 38925809311 is 11390852983.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 38925809311 - 21 = 38925809309 is a prime.

It is a super-3 number, since 3×389258093113 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38925803311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65301 + ... + 286558.

It is an arithmetic number, because the mean of its divisors is an integer number (9731567950).

Almost surely, 238925809311 is an apocalyptic number.

38925809311 is a deficient number, since it is larger than the sum of its proper divisors (462489).

38925809311 is a wasteful number, since it uses less digits than its factorization.

38925809311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462488.

The product of its (nonzero) digits is 466560, while the sum is 49.

The spelling of 38925809311 in words is "thirty-eight billion, nine hundred twenty-five million, eight hundred nine thousand, three hundred eleven".

Divisors: 1 110629 351859 38925809311