Search a number
-
+
51942562308672 = 2637199319391741
BaseRepresentation
bin10111100111101110100011…
…11110011010001001000000
320210220122211110212002001220
423303313101332122021000
523302011331422334142
6302250030025155040
713640504054541150
oct1363672176321100
9223818743762056
1051942562308672
1115606798313292
1259aa99702ba80
1322ca216334339
14cb8067a34760
1560122a3222ec
hex2f3dd1f9a240

51942562308672 has 112 divisors (see below), whose sum is σ = 157143230739072. Its totient is φ = 14833284894720.

The previous prime is 51942562308619. The next prime is 51942562308719. The reversal of 51942562308672 is 27680326524915.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7017279 + ... + 12374462.

It is a 1-persistent number, because it is pandigital, but 2⋅51942562308672 = 103885124617344 is not.

Almost surely, 251942562308672 is an apocalyptic number.

It is an amenable number.

51942562308672 is an abundant number, since it is smaller than the sum of its proper divisors (105200668430400).

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

51942562308672 is a wasteful number, since it uses less digits than its factorization.

51942562308672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19393756 (or 19393746 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 60.

The spelling of 51942562308672 in words is "fifty-one trillion, nine hundred forty-two billion, five hundred sixty-two million, three hundred eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 1993 3986 5979 7972 11958 13951 15944 23916 27902 31888 41853 47832 55804 63776 83706 95664 111608 127552 167412 191328 223216 334824 382656 446432 669648 892864 1339296 2678592 19391741 38783482 58175223 77566964 116350446 135742187 155133928 232700892 271484374 310267856 407226561 465401784 542968748 620535712 814453122 930803568 1085937496 1241071424 1628906244 1861607136 2171874992 3257812488 3723214272 4343749984 6515624976 8687499968 13031249952 26062499904 38647739813 77295479626 115943219439 154590959252 231886438878 270534178691 309181918504 463772877756 541068357382 618363837008 811602536073 927545755512 1082136714764 1236727674016 1623205072146 1855091511024 2164273429528 2473455348032 3246410144292 3710183022048 4328546859056 6492820288584 7420366044096 8657093718112 12985640577168 17314187436224 25971281154336 51942562308672