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53285633920 = 275212939107
BaseRepresentation
bin110001101000000100…
…100011111110000000
312002112120022200001001
4301220010203332000
51333112110241140
640251252021344
73564316262251
oct615004437600
9162476280031
1053285633920
1120664395492
12a3b1301854
1350426920cc
142816c4ab28
1515bd05ae9a
hexc68123f80

53285633920 has 64 divisors (see below), whose sum is σ = 127449061200. Its totient is φ = 21303697408.

The previous prime is 53285633873. The next prime is 53285633941. The reversal of 53285633920 is 2933658235.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1343007 + ... + 1382113.

Almost surely, 253285633920 is an apocalyptic number.

It is an amenable number.

53285633920 is an abundant number, since it is smaller than the sum of its proper divisors (74163427280).

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

53285633920 is a wasteful number, since it uses less digits than its factorization.

53285633920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41255 (or 41243 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 46.

The spelling of 53285633920 in words is "fifty-three billion, two hundred eighty-five million, six hundred thirty-three thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 320 640 2129 4258 8516 10645 17032 21290 34064 39107 42580 68128 78214 85160 136256 156428 170320 195535 272512 312856 340640 391070 625712 681280 782140 1251424 1362560 1564280 2502848 3128560 5005696 6257120 12514240 25028480 83258803 166517606 333035212 416294015 666070424 832588030 1332140848 1665176060 2664281696 3330352120 5328563392 6660704240 10657126784 13321408480 26642816960 53285633920