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38281919204 = 2270131364677
BaseRepresentation
bin100011101001110001…
…111011101011100100
310122210221011222201102
4203221301323223210
51111400132403304
625330402215232
72523442641614
oct435161735344
9118727158642
1038281919204
1115265166561
127504654518
1337c11452c9
141bd233aa44
15ee0c60d1e
hex8e9c7bae4

38281919204 has 12 divisors (see below), whose sum is σ = 67002960444. Its totient is φ = 19138216224.

The previous prime is 38281919197. The next prime is 38281919261. The reversal of 38281919204 is 40291918283.

It can be written as a sum of positive squares in 2 ways, for example, as 23177017600 + 15104901604 = 152240^2 + 122902^2 .

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

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, 654287 + ... + 710390.

It is an arithmetic number, because the mean of its divisors is an integer number (5583580037).

Almost surely, 238281919204 is an apocalyptic number.

It is an amenable number.

38281919204 is a deficient number, since it is larger than the sum of its proper divisors (28721041240).

38281919204 is a wasteful number, since it uses less digits than its factorization.

38281919204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1371694 (or 1371692 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The spelling of 38281919204 in words is "thirty-eight billion, two hundred eighty-one million, nine hundred nineteen thousand, two hundred four".

Divisors: 1 2 4 7013 14026 28052 1364677 2729354 5458708 9570479801 19140959602 38281919204