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64355101344 = 253579104761
BaseRepresentation
bin111011111011110111…
…001110101010100000
320011010000110212200000
4323323313032222200
52023244401220334
645321521100000
74435531223112
oct737367165240
9204100425600
1064355101344
1125324860176
1210580487600
1360b7acca31
1431870413b2
151a19c6d299
hexefbdceaa0

64355101344 has 144 divisors (see below), whose sum is σ = 192192174720. Its totient is φ = 21179957760.

The previous prime is 64355101301. The next prime is 64355101373. The reversal of 64355101344 is 44310155346.

64355101344 is a `hidden beast` number, since 6 + 4 + 3 + 5 + 510 + 134 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 64355101299 and 64355101308.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 561924 + ... + 666684.

It is an arithmetic number, because the mean of its divisors is an integer number (1334667880).

Almost surely, 264355101344 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 64355101344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96096087360).

64355101344 is an abundant number, since it is smaller than the sum of its proper divisors (127837073376).

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

64355101344 is a wasteful number, since it uses less digits than its factorization.

64355101344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104865 (or 104845 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 64355101344 in words is "sixty-four billion, three hundred fifty-five million, one hundred one thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 79 81 96 108 144 158 162 216 237 243 288 316 324 432 474 486 632 648 711 864 948 972 1264 1296 1422 1896 1944 2133 2528 2592 2844 3792 3888 4266 5688 6399 7584 7776 8532 11376 12798 17064 19197 22752 25596 34128 38394 51192 68256 76788 102384 104761 153576 204768 209522 307152 314283 419044 614304 628566 838088 942849 1257132 1676176 1885698 2514264 2828547 3352352 3771396 5028528 5657094 7542792 8276119 8485641 10057056 11314188 15085584 16552238 16971282 22628376 24828357 25456923 30171168 33104476 33942564 45256752 49656714 50913846 66208952 67885128 74485071 90513504 99313428 101827692 132417904 135770256 148970142 198626856 203655384 223455213 264835808 271540512 297940284 397253712 407310768 446910426 595880568 670365639 794507424 814621536 893820852 1191761136 1340731278 1787641704 2011096917 2383522272 2681462556 3575283408 4022193834 5362925112 7150566816 8044387668 10725850224 16088775336 21451700448 32177550672 64355101344