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38371402912 = 256119657481
BaseRepresentation
bin100011101111000111…
…010010010010100000
310200001011120020021211
4203233013102102200
51112041034343122
625343320155504
72525610354223
oct435707222240
9120034506254
1038371402912
1115300724a37
12752a608b94
13380684624b
141c001915ba
15ee8a39877
hex8ef1d24a0

38371402912 has 24 divisors (see below), whose sum is σ = 76782124692. Its totient is φ = 18871180800.

The previous prime is 38371402907. The next prime is 38371402943. The reversal of 38371402912 is 21920417383.

It can be written as a sum of positive squares in 2 ways, for example, as 33268300816 + 5103102096 = 182396^2 + 71436^2 .

It is a super-2 number, since 2×383714029122 (a number of 22 digits) contains 22 as substring.

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, 9826789 + ... + 9830692.

Almost surely, 238371402912 is an apocalyptic number.

38371402912 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38371402912 is an abundant number, since it is smaller than the sum of its proper divisors (38410721780).

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

38371402912 is a wasteful number, since it uses less digits than its factorization.

38371402912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19657552 (or 19657544 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 38371402912 in words is "thirty-eight billion, three hundred seventy-one million, four hundred two thousand, nine hundred twelve".

Divisors: 1 2 4 8 16 32 61 122 244 488 976 1952 19657481 39314962 78629924 157259848 314519696 629039392 1199106341 2398212682 4796425364 9592850728 19185701456 38371402912