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38287833036 = 22315722789527
BaseRepresentation
bin100011101010001000…
…011111011111001100
310122211100022102222020
4203222020133133030
51111403141124121
625331133050140
72523544132245
oct435210373714
9118740272866
1038287833036
1115268535722
127506626950
1337c243600b
141bd3039ccc
15ee152d1c6
hex8ea21f7cc

38287833036 has 48 divisors (see below), whose sum is σ = 90304386816. Its totient is φ = 12625314624.

The previous prime is 38287832983. The next prime is 38287833043. The reversal of 38287833036 is 63033878283.

It is a super-2 number, since 2×382878330362 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38287833036.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 382905 + ... + 472431.

It is an arithmetic number, because the mean of its divisors is an integer number (1881341392).

Almost surely, 238287833036 is an apocalyptic number.

It is an amenable number.

38287833036 is an abundant number, since it is smaller than the sum of its proper divisors (52016553780).

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

38287833036 is a wasteful number, since it uses less digits than its factorization.

38287833036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89918 (or 89916 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 51.

The spelling of 38287833036 in words is "thirty-eight billion, two hundred eighty-seven million, eight hundred thirty-three thousand, thirty-six".

Divisors: 1 2 3 4 6 12 157 227 314 454 471 628 681 908 942 1362 1884 2724 35639 71278 89527 106917 142556 179054 213834 268581 358108 427668 537162 1074324 14055739 20322629 28111478 40645258 42167217 56222956 60967887 81290516 84334434 121935774 168668868 243871548 3190652753 6381305506 9571958259 12762611012 19143916518 38287833036