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64701603470 = 257131253861
BaseRepresentation
bin111100010000100001…
…000001111010001110
320012000011111000020002
4330100201001322032
52030002102302340
645420135524302
74450236361310
oct742041017216
9205004430202
1064701603470
1125492406369
1210658529692
13614182ca8a
1431bb07b7b0
151a3a3b5715
hexf10841e8e

64701603470 has 48 divisors (see below), whose sum is σ = 134126721504. Its totient is φ = 22013659200.

The previous prime is 64701603427. The next prime is 64701603487. The reversal of 64701603470 is 7430610746.

It is a Curzon number.

It is a congruent number.

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, 1174340 + ... + 1228200.

It is an arithmetic number, because the mean of its divisors is an integer number (2794306698).

Almost surely, 264701603470 is an apocalyptic number.

64701603470 is an abundant number, since it is smaller than the sum of its proper divisors (69425118034).

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

64701603470 is a wasteful number, since it uses less digits than its factorization.

64701603470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54137 (or 54006 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 38.

The spelling of 64701603470 in words is "sixty-four billion, seven hundred one million, six hundred three thousand, four hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 131 262 655 917 1310 1834 4585 9170 17161 34322 53861 85805 107722 120127 171610 240254 269305 377027 538610 600635 754054 1201270 1885135 3770270 7055791 14111582 35278955 49390537 70557910 98781074 246952685 493905370 924308621 1848617242 4621543105 6470160347 9243086210 12940320694 32350801735 64701603470