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52154560612 = 227211193125339
BaseRepresentation
bin110000100100101001…
…110111000001100100
311222121202000012011001
4300210221313001210
51323303031414422
635543125123044
73524303310400
oct604451670144
9158552005131
1052154560612
1120133987360
12a136559484
134bc2251a6b
14274a940100
151553ad8227
hexc24a77064

52154560612 has 72 divisors (see below), whose sum is σ = 116424816480. Its totient is φ = 20214512640.

The previous prime is 52154560609. The next prime is 52154560621. The reversal of 52154560612 is 21606545125.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353439 + ... + 478777.

It is an arithmetic number, because the mean of its divisors is an integer number (1617011340).

Almost surely, 252154560612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52154560612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58212408240).

52154560612 is an abundant number, since it is smaller than the sum of its proper divisors (64270255868).

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

52154560612 is a wasteful number, since it uses less digits than its factorization.

52154560612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125561 (or 125552 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 52154560612 in words is "fifty-two billion, one hundred fifty-four million, five hundred sixty thousand, six hundred twelve".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 193 196 308 386 539 772 1078 1351 2123 2156 2702 4246 5404 8492 9457 14861 18914 29722 37828 59444 104027 125339 208054 250678 416108 501356 877373 1378729 1754746 2757458 3509492 5514916 6141611 9651103 12283222 19302206 24190427 24566444 38604412 48380854 67557721 96761708 135115442 169332989 266094697 270230884 338665978 532189394 677331956 1064378788 1185330923 1862662879 2370661846 3725325758 4741323692 7450651516 13038640153 26077280306 52154560612