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38056451664 = 24371115796521
BaseRepresentation
bin100011011100010101…
…110101111001010000
310122020012221001101210
4203130111311321100
51110414422423124
625252145500120
72515034334060
oct433425657120
9118205831353
1038056451664
1115159969450
127461041640
13378651206a
141bb04093a0
15ecb075a29
hex8dc575e50

38056451664 has 160 divisors (see below), whose sum is σ = 122667863040. Its totient is φ = 9877017600.

The previous prime is 38056451633. The next prime is 38056451687. The reversal of 38056451664 is 46615465083.

38056451664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5832724 + ... + 5839244.

It is an arithmetic number, because the mean of its divisors is an integer number (766674144).

Almost surely, 238056451664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38056451664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61333931520).

38056451664 is an abundant number, since it is smaller than the sum of its proper divisors (84611411376).

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

38056451664 is a wasteful number, since it uses less digits than its factorization.

38056451664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8129 (or 8123 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 38056451664 in words is "thirty-eight billion, fifty-six million, four hundred fifty-one thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 56 66 77 84 88 112 132 154 168 176 231 264 308 336 462 528 616 924 1232 1579 1848 3158 3696 4737 6316 6521 9474 11053 12632 13042 17369 18948 19563 22106 25264 26084 33159 34738 37896 39126 44212 45647 52107 52168 66318 69476 71731 75792 78252 88424 91294 104214 104336 121583 132636 136941 138952 143462 156504 176848 182588 208428 215193 243166 265272 273882 277904 286924 313008 364749 365176 416856 430386 486332 502117 530544 547764 573848 729498 730352 833712 860772 972664 1004234 1095528 1147696 1458996 1506351 1721544 1945328 2008468 2191056 2917992 3012702 3443088 4016936 5835984 6025404 8033872 10296659 12050808 20593318 24101616 30889977 41186636 61779954 72076613 82373272 113263249 123559908 144153226 164746544 216229839 226526498 247119816 288306452 339789747 432459678 453052996 494239632 576612904 679579494 792842743 864919356 906105992 1153225808 1359158988 1585685486 1729838712 1812211984 2378528229 2718317976 3171370972 3459677424 4757056458 5436635952 6342741944 9514112916 12685483888 19028225832 38056451664