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285716745132 = 2237132191059293
BaseRepresentation
bin1000010100001100000…
…10111000101110101100
31000022111002110111112120
410022012002320232230
514140121441321012
6335131221232540
726433220156020
oct4120602705654
91008432414476
10285716745132
11100198721535
1247459b62750
1320c34935a00
14db861b4380
15767377858c
hex42860b8bac

285716745132 has 144 divisors (see below), whose sum is σ = 868451592960. Its totient is φ = 71387806464.

The previous prime is 285716745091. The next prime is 285716745179. The reversal of 285716745132 is 231547617582.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259923 + ... + 799370.

It is an arithmetic number, because the mean of its divisors is an integer number (6030913840).

Almost surely, 2285716745132 is an apocalyptic number.

It is an amenable number.

285716745132 is an abundant number, since it is smaller than the sum of its proper divisors (582734847828).

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

285716745132 is a wasteful number, since it uses less digits than its factorization.

285716745132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059352 (or 1059337 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 51.

The spelling of 285716745132 in words is "two hundred eighty-five billion, seven hundred sixteen million, seven hundred forty-five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 7 12 13 14 19 21 26 28 38 39 42 52 57 76 78 84 91 114 133 156 169 182 228 247 266 273 338 364 399 494 507 532 546 676 741 798 988 1014 1092 1183 1482 1596 1729 2028 2366 2964 3211 3458 3549 4732 5187 6422 6916 7098 9633 10374 12844 14196 19266 20748 22477 38532 44954 67431 89908 134862 269724 1059293 2118586 3177879 4237172 6355758 7415051 12711516 13770809 14830102 20126567 22245153 27541618 29660204 40253134 41312427 44490306 55083236 60379701 80506268 82624854 88980612 96395663 120759402 140885969 165249708 179020517 192791326 241518804 261645371 281771938 289186989 358041034 385582652 422657907 523290742 537061551 563543876 578373978 716082068 784936113 845315814 1046581484 1074123102 1156747956 1253143619 1569872226 1690631628 1831517597 2148246204 2506287238 3139744452 3401389823 3663035194 3759430857 5012574476 5494552791 6802779646 7326070388 7518861714 10204169469 10989105582 13605559292 15037723428 20408338938 21978211164 23809728761 40816677876 47619457522 71429186283 95238915044 142858372566 285716745132