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20067529494 = 2337149606673
BaseRepresentation
bin10010101100000111…
…100011001100010110
31220210112121010022010
4102230013203030112
5312044241420434
613115140445050
71310202120615
oct225407431426
956715533263
1020067529494
118568662a21
123a806a9786
131b7a68cb0c
14d8526387c
157c6b599e9
hex4ac1e3316

20067529494 has 32 divisors (see below), whose sum is σ = 41496501600. Its totient is φ = 6464696832.

The previous prime is 20067529477. The next prime is 20067529501. The reversal of 20067529494 is 49492576002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270259 + ... + 336414.

It is an arithmetic number, because the mean of its divisors is an integer number (1296765675).

Almost surely, 220067529494 is an apocalyptic number.

20067529494 is an abundant number, since it is smaller than the sum of its proper divisors (21428972106).

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

20067529494 is a wasteful number, since it uses less digits than its factorization.

20067529494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606864.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 20067529494 in words is "twenty billion, sixty-seven million, five hundred twenty-nine thousand, four hundred ninety-four".

Divisors: 1 2 3 6 37 74 111 149 222 298 447 894 5513 11026 16539 33078 606673 1213346 1820019 3640038 22446901 44893802 67340703 90394277 134681406 180788554 271182831 542365662 3344588249 6689176498 10033764747 20067529494