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64108083852 = 22331752616637
BaseRepresentation
bin111011101101001000…
…111011101010001100
320010110210200002101000
4323231020323222030
52022243132140402
645241214420300
74426441502361
oct735510735214
9203423602330
1064108083852
112520838428a
1210511801690
136078892a37
143162300468
151a03227c1c
hexeed23ba8c

64108083852 has 96 divisors (see below), whose sum is σ = 176042946240. Its totient is φ = 20105487360.

The previous prime is 64108083827. The next prime is 64108083859. The reversal of 64108083852 is 25838080146.

64108083852 is a `hidden beast` number, since 6 + 410 + 80 + 83 + 85 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 64108083798 and 64108083807.

It is not an unprimeable number, because it can be changed into a prime (64108083859) 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, 9655878 + ... + 9662514.

It is an arithmetic number, because the mean of its divisors is an integer number (1833780690).

Almost surely, 264108083852 is an apocalyptic number.

It is an amenable number.

64108083852 is an abundant number, since it is smaller than the sum of its proper divisors (111934862388).

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

64108083852 is a wasteful number, since it uses less digits than its factorization.

64108083852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11928 (or 11920 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 64108083852 in words is "sixty-four billion, one hundred eight million, eighty-three thousand, eight hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 102 108 153 204 306 459 612 918 1836 5261 6637 10522 13274 15783 19911 21044 26548 31566 39822 47349 59733 63132 79644 89437 94698 112829 119466 142047 178874 179199 189396 225658 238932 268311 284094 338487 357748 358398 451316 536622 568188 676974 716796 804933 1015461 1073244 1353948 1609866 2030922 2414799 3046383 3219732 4061844 4829598 6092766 9659196 12185532 34917257 69834514 104751771 139669028 209503542 314255313 419007084 593593369 628510626 942765939 1187186738 1257021252 1780780107 1885531878 2374373476 3561560214 3771063756 5342340321 7123120428 10684680642 16027020963 21369361284 32054041926 64108083852