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145513054875265 = 571129311511120723
BaseRepresentation
bin100001000101011111100101…
…111100100010111010000001
3201002012220121222121202102121
4201011133211330202322001
5123033041214022002030
61233251435150044241
742435654102366460
oct4105374574427201
9632186558552377
10145513054875265
1142401815a61210
12143a14a37a9681
136326a8c49889c
1427d0c25a289d7
1511c51dd9d247a
hex8457e5f22e81

145513054875265 has 64 divisors (see below), whose sum is σ = 218635643584512. Its totient is φ = 90321227424000.

The previous prime is 145513054875259. The next prime is 145513054875289. The reversal of 145513054875265 is 562578450315541.

It is a de Polignac number, because none of the positive numbers 2k-145513054875265 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129278194 + ... + 130398916.

It is an arithmetic number, because the mean of its divisors is an integer number (3416181931008).

Almost surely, 2145513054875265 is an apocalyptic number.

It is an amenable number.

145513054875265 is a deficient number, since it is larger than the sum of its proper divisors (73122588709247).

145513054875265 is a wasteful number, since it uses less digits than its factorization.

145513054875265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122190.

The product of its (nonzero) digits is 100800000, while the sum is 61.

The spelling of 145513054875265 in words is "one hundred forty-five trillion, five hundred thirteen billion, fifty-four million, eight hundred seventy-five thousand, two hundred sixty-five".

Divisors: 1 5 7 11 35 55 77 293 385 1151 1465 2051 3223 5755 8057 10255 12661 16115 22561 40285 63305 88627 112805 337243 443135 1120723 1686215 2360701 3709673 5603615 7845061 11803505 12327953 18548365 25967711 39225305 61639765 86295671 129838555 328371839 431478355 1289952173 1641859195 2298602873 3612090229 6449760865 9029665211 11493014365 14189473903 18060451145 25284631603 45148326055 70947369515 99326317321 126423158015 377955986689 496631586605 1889779933445 2645691906823 4157515853579 13228459534115 20787579267895 29102610975053 145513054875265