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70612990092 = 2232231271674021
BaseRepresentation
bin100000111000011011…
…1001011100010001100
320202021010210120012100
41001300313023202030
52124103411140332
652234505235100
75046566340531
oct1016067134214
9222233716170
1070612990092
1127a46212657
1211828192a90
136874440a98
1435bc1c0d88
151c8434767c
hex1070dcb88c

70612990092 has 144 divisors (see below), whose sum is σ = 188892168192. Its totient is φ = 22197732480.

The previous prime is 70612990057. The next prime is 70612990099. The reversal of 70612990092 is 29009921607.

It is not an unprimeable number, because it can be changed into a prime (70612990099) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17559042 + ... + 17563062.

It is an arithmetic number, because the mean of its divisors is an integer number (1311751168).

Almost surely, 270612990092 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 70612990092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94446084096).

70612990092 is an abundant number, since it is smaller than the sum of its proper divisors (118279178100).

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

70612990092 is a wasteful number, since it uses less digits than its factorization.

70612990092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4348 (or 4343 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 70612990092 in words is "seventy billion, six hundred twelve million, nine hundred ninety thousand, ninety-two".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 127 138 167 207 254 276 334 381 414 501 508 668 762 828 1002 1143 1503 1524 2004 2286 2921 3006 3841 4021 4572 5842 6012 7682 8042 8763 11523 11684 12063 15364 16084 17526 21209 23046 24126 26289 34569 35052 36189 42418 46092 48252 52578 63627 69138 72378 84836 92483 105156 127254 138276 144756 184966 190881 254508 277449 369932 381762 487807 510667 554898 671507 763524 832347 975614 1021334 1109796 1343014 1463421 1532001 1664694 1951228 2014521 2042668 2686028 2926842 3064002 3329388 4029042 4390263 4596003 5853684 6043563 6128004 8058084 8780526 9192006 11745341 12087126 15444661 17561052 18384012 23490682 24174252 30889322 35236023 46333983 46981364 61778644 70472046 85281389 92667966 105708069 139001949 140944092 170562778 185335932 211416138 255844167 278003898 341125556 422832276 511688334 556007796 767532501 1023376668 1535065002 1961471947 3070130004 3922943894 5884415841 7845887788 11768831682 17653247523 23537663364 35306495046 70612990092