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38426803944 = 23317124975407
BaseRepresentation
bin100011110010011010…
…100111111011101000
310200012000210220012220
4203302122213323220
51112144230211234
625353015434040
72530152305244
oct436232477350
9120160726186
1038426803944
1115329a24611
127545085920
133815172b19
141c07693424
15eed82ea49
hex8f26a7ee8

38426803944 has 64 divisors (see below), whose sum is σ = 101800800000. Its totient is φ = 12045656064.

The previous prime is 38426803913. The next prime is 38426803949. The reversal of 38426803944 is 44930862483.

It is a super-2 number, since 2×384268039442 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (38426803949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471889 + ... + 547295.

It is an arithmetic number, because the mean of its divisors is an integer number (1590637500).

Almost surely, 238426803944 is an apocalyptic number.

38426803944 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

38426803944 is an abundant number, since it is smaller than the sum of its proper divisors (63373996056).

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

38426803944 is a wasteful number, since it uses less digits than its factorization.

38426803944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76682 (or 76678 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 38426803944 in words is "thirty-eight billion, four hundred twenty-six million, eight hundred three thousand, nine hundred forty-four".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 1249 2498 3747 4996 7494 9992 14988 21233 29976 42466 63699 75407 84932 127398 150814 169864 226221 254796 301628 452442 509592 603256 904884 1281919 1809768 2563838 3845757 5127676 7691514 10255352 15383028 30766056 94183343 188366686 282550029 376733372 565100058 753466744 1130200116 1601116831 2260400232 3202233662 4803350493 6404467324 9606700986 12808934648 19213401972 38426803944