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20060712537 = 347712119497
BaseRepresentation
bin10010101011101101…
…100010111001011001
31220210001202210012020
4102223231202321121
5312041020300122
613114334405053
71310060146245
oct225355427131
956701683166
1020060712537
118564827278
123a7a360789
131b79144008
14d843ab425
157c625ec5c
hex4abb62e59

20060712537 has 32 divisors (see below), whose sum is σ = 27835674624. Its totient is φ = 12842390400.

The previous prime is 20060712527. The next prime is 20060712571. The reversal of 20060712537 is 73521706002.

It is not a de Polignac number, because 20060712537 - 210 = 20060711513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20060712498 and 20060712507.

It is not an unprimeable number, because it can be changed into a prime (20060712517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2107573 + ... + 2117069.

It is an arithmetic number, because the mean of its divisors is an integer number (869864832).

Almost surely, 220060712537 is an apocalyptic number.

It is an amenable number.

20060712537 is a deficient number, since it is larger than the sum of its proper divisors (7774962087).

20060712537 is a wasteful number, since it uses less digits than its factorization.

20060712537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9829.

The product of its (nonzero) digits is 17640, while the sum is 33.

The spelling of 20060712537 in words is "twenty billion, sixty million, seven hundred twelve thousand, five hundred thirty-seven".

Divisors: 1 3 47 71 141 211 213 633 3337 9497 9917 10011 14981 28491 29751 44943 446359 674287 704107 1339077 2003867 2022861 2112321 6011601 31691489 94181749 95074467 142274557 282545247 426823671 6686904179 20060712537