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64714201872 = 24371101229821
BaseRepresentation
bin111100010001010001…
…000101101100010000
320012001001012001222120
4330101101011230100
52030013313424442
645421305534240
74450451432325
oct742121055420
9205031161876
1064714201872
1125499530771
12106607a4380
136144321258
1431bc9dab4c
151a3b5534ec
hexf11445b10

64714201872 has 160 divisors (see below), whose sum is σ = 172168623360. Its totient is φ = 20939520000.

The previous prime is 64714201831. The next prime is 64714201883. The reversal of 64714201872 is 27810241746.

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, 78823222 + ... + 78824042.

It is an arithmetic number, because the mean of its divisors is an integer number (1076053896).

Almost surely, 264714201872 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 64714201872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86084311680).

64714201872 is an abundant number, since it is smaller than the sum of its proper divisors (107454421488).

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

64714201872 is a wasteful number, since it uses less digits than its factorization.

64714201872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 64714201872 in words is "sixty-four billion, seven hundred fourteen million, two hundred one thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 71 101 142 202 213 229 284 303 404 426 458 568 606 687 808 821 852 916 1136 1212 1374 1616 1642 1704 1832 2424 2463 2748 3284 3408 3664 4848 4926 5496 6568 7171 9852 10992 13136 14342 16259 19704 21513 23129 28684 32518 39408 43026 46258 48777 57368 58291 65036 69387 82921 86052 92516 97554 114736 116582 130072 138774 165842 172104 174873 185032 188009 195108 233164 248763 260144 277548 331684 344208 349746 370064 376018 390216 466328 497526 555096 564027 663368 699492 752036 780432 932656 995052 1110192 1128054 1326736 1398984 1504072 1642159 1990104 2256108 2797968 3008144 3284318 3980208 4512216 4926477 5887391 6568636 9024432 9852954 11774782 13137272 13348639 17662173 18988909 19705908 23549564 26274544 26697278 35324346 37977818 39411816 40045917 47099128 53394556 56966727 70648692 75955636 78823632 80091834 94198256 106789112 113933454 141297384 151911272 160183668 213578224 227866908 282594768 303822544 320367336 455733816 640734672 911467632 1348212539 2696425078 4044637617 5392850156 8089275234 10785700312 16178550468 21571400624 32357100936 64714201872