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38404258238423 = 7113732027659669
BaseRepresentation
bin10001011101101101100000…
…01010111000111111010111
312000222102002210021110022102
420232312300022320333113
520013203410102112143
6213402401144152315
711042421214626650
oct1056666012707727
9160872083243272
1038404258238423
11112671776401a0
12438300446869b
13185767692b63c
1496aac1564527
15468eb23bd0b8
hex22edb02b8fd7

38404258238423 has 32 divisors (see below), whose sum is σ = 48032757527040. Its totient is φ = 29830398053760.

The previous prime is 38404258238417. The next prime is 38404258238441. The reversal of 38404258238423 is 32483285240483.

It is a cyclic number.

It is not a de Polignac number, because 38404258238423 - 28 = 38404258238167 is a prime.

It is a super-6 number, since 6×384042582384236 (a number of 83 digits) contains 666666 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38404258208423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57887633 + ... + 58547301.

It is an arithmetic number, because the mean of its divisors is an integer number (1501023672720).

Almost surely, 238404258238423 is an apocalyptic number.

38404258238423 is a deficient number, since it is larger than the sum of its proper divisors (9628499288617).

38404258238423 is a wasteful number, since it uses less digits than its factorization.

38404258238423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662087.

The product of its (nonzero) digits is 35389440, while the sum is 56.

The spelling of 38404258238423 in words is "thirty-eight trillion, four hundred four billion, two hundred fifty-eight million, two hundred thirty-eight thousand, four hundred twenty-three".

Divisors: 1 7 11 77 373 2027 2611 4103 14189 22297 28721 156079 659669 756071 4617683 5292497 7256359 8316781 50794513 58217467 246056537 1337149063 1722395759 2706621907 9360043441 14708639693 18946353349 102960477851 498756600499 3491296203493 5486322605489 38404258238423