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38918820604 = 2227133586327
BaseRepresentation
bin100100001111101111…
…100001001011111100
310201110022121221012011
4210033233201023330
51114201204224404
625513513221004
72545305342166
oct441757411374
9121408557164
1038918820604
1115561728a54
127661a01764
133893091241
141c52b6b936
15102bb1c604
hex90fbe12fc

38918820604 has 12 divisors (see below), whose sum is σ = 68133059344. Its totient is φ = 19452232224.

The previous prime is 38918820571. The next prime is 38918820653. The reversal of 38918820604 is 40602881983.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1782312 + ... + 1804015.

Almost surely, 238918820604 is an apocalyptic number.

It is an amenable number.

38918820604 is a deficient number, since it is larger than the sum of its proper divisors (29214238740).

38918820604 is a wasteful number, since it uses less digits than its factorization.

38918820604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589044 (or 3589042 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 49.

The spelling of 38918820604 in words is "thirty-eight billion, nine hundred eighteen million, eight hundred twenty thousand, six hundred four".

Divisors: 1 2 4 2713 5426 10852 3586327 7172654 14345308 9729705151 19459410302 38918820604