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64090245759680 = 265763691449227
BaseRepresentation
bin11101001001010001011000…
…10101010000001011000000
322101220222010102101210221002
432210220230111100023000
531400023310403302210
6344150352532151132
716333240015306610
oct1644505425201300
9271828112353832
1064090245759680
111946a57a9a1738
1272311517684a8
13299b8b838580a
1411b7dad468a40
157622037824a5
hex3a4a2c5502c0

64090245759680 has 112 divisors (see below), whose sum is σ = 174420152714496. Its totient is φ = 21973404625920.

The previous prime is 64090245759679. The next prime is 64090245759691. The reversal of 64090245759680 is 8695754209046.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142443227 + ... + 142892453.

Almost surely, 264090245759680 is an apocalyptic number.

It is an amenable number.

64090245759680 is an abundant number, since it is smaller than the sum of its proper divisors (110329906954816).

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

64090245759680 is a wasteful number, since it uses less digits than its factorization.

64090245759680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512942 (or 512932 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 65.

The spelling of 64090245759680 in words is "sixty-four trillion, ninety billion, two hundred forty-five million, seven hundred fifty-nine thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 63691 127382 254764 318455 445837 449227 509528 636910 891674 898454 1019056 1273820 1783348 1796908 2038112 2229185 2246135 2547640 3144589 3566696 3593816 4076224 4458370 4492270 5095280 6289178 7133392 7187632 8916740 8984540 10190560 12578356 14266784 14375264 15722945 17833480 17969080 20381120 25156712 28533568 28750528 31445890 35666960 35938160 50313424 62891780 71333920 71876320 100626848 125783560 142667840 143752640 201253696 251567120 503134240 1006268480 28611716857 57223433714 114446867428 143058584285 200282017999 228893734856 286117168570 400564035998 457787469712 572234337140 801128071996 915574939424 1001410089995 1144468674280 1602256143992 1831149878848 2002820179990 2288937348560 3204512287984 4005640359980 4577874697120 6409024575968 8011280719960 9155749394240 12818049151936 16022561439920 32045122879840 64090245759680