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199670069274 = 231318118897487
BaseRepresentation
bin1011100111110101000…
…0110111100000011010
3201002101100110110121220
42321331100313200122
511232411014204044
6231421022312510
720266003404564
oct2717520674032
9632340413556
10199670069274
1177752604385
1232845128736
1315aa0b71ab0
14994235a334
1552d9502019
hex2e7d43781a

199670069274 has 64 divisors (see below), whose sum is σ = 432721336320. Its totient is φ = 61057013760.

The previous prime is 199670069267. The next prime is 199670069293. The reversal of 199670069274 is 472960076991.

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, 26665159 + ... + 26672645.

It is an arithmetic number, because the mean of its divisors is an integer number (6761270880).

Almost surely, 2199670069274 is an apocalyptic number.

199670069274 is an abundant number, since it is smaller than the sum of its proper divisors (233051267046).

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

199670069274 is a wasteful number, since it uses less digits than its factorization.

199670069274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9575.

The product of its (nonzero) digits is 10287648, while the sum is 60.

The spelling of 199670069274 in words is "one hundred ninety-nine billion, six hundred seventy million, sixty-nine thousand, two hundred seventy-four".

Divisors: 1 2 3 6 13 26 39 78 181 362 543 1086 1889 2353 3778 4706 5667 7059 7487 11334 14118 14974 22461 24557 44922 49114 73671 97331 147342 194662 291993 341909 583986 683818 1025727 1355147 2051454 2710294 4065441 4444817 8130882 8889634 13334451 14142943 17616911 26668902 28285886 35233822 42428829 52850733 84857658 105701466 183858259 367716518 551574777 1103149554 2559872683 5119745366 7679618049 15359236098 33278344879 66556689758 99835034637 199670069274