Search a number
-
+
75640568106 = 233115719313421
BaseRepresentation
bin100011001110010000…
…1110111100100101010
321020020112001222200110
41012130201313210222
52214402441134411
654425423515150
75315305135425
oct1063441674452
9236215058613
1075640568106
112a096146404
12127aba58ab6
137195c0710c
143937bc09bc
151e7a8ea2a6
hex119c87792a

75640568106 has 64 divisors (see below), whose sum is σ = 157981879296. Its totient is φ = 24117350400.

The previous prime is 75640568033. The next prime is 75640568117. The reversal of 75640568106 is 60186504657.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5629276 + ... + 5642696.

It is an arithmetic number, because the mean of its divisors is an integer number (2468466864).

Almost surely, 275640568106 is an apocalyptic number.

75640568106 is an abundant number, since it is smaller than the sum of its proper divisors (82341311190).

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

75640568106 is a wasteful number, since it uses less digits than its factorization.

75640568106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13807.

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 75640568106 in words is "seventy-five billion, six hundred forty million, five hundred sixty-eight thousand, one hundred six".

Divisors: 1 2 3 6 31 62 93 157 186 193 314 386 471 579 942 1158 4867 5983 9734 11966 13421 14601 17949 26842 29202 30301 35898 40263 60602 80526 90903 181806 416051 832102 939331 1248153 1878662 2107097 2496306 2590253 2817993 4214194 5180506 5635986 6321291 7770759 12642582 15541518 65320007 80297843 130640014 160595686 195960021 240893529 391920042 406669721 481787058 813339442 1220009163 2440018326 12606761351 25213522702 37820284053 75640568106