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20695379127 = 3293713074919
BaseRepresentation
bin10011010001100010…
…100110110010110111
31222102022000012002020
4103101202212302313
5314341004113002
613301325444223
71331564551203
oct232142466267
958368005066
1020695379127
118860002715
124016a10673
131c4a789987
1410047b9b03
15811d292bc
hex4d18a6cb7

20695379127 has 32 divisors (see below), whose sum is σ = 29345241600. Its totient is φ = 12948582528.

The previous prime is 20695379113. The next prime is 20695379153. The reversal of 20695379127 is 72197359602.

It is not a de Polignac number, because 20695379127 - 215 = 20695346359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20695379127.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20695379167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4204774 + ... + 4209692.

It is an arithmetic number, because the mean of its divisors is an integer number (917038800).

Almost surely, 220695379127 is an apocalyptic number.

20695379127 is a deficient number, since it is larger than the sum of its proper divisors (8649862473).

20695379127 is a wasteful number, since it uses less digits than its factorization.

20695379127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6295.

The product of its (nonzero) digits is 1428840, while the sum is 51.

The spelling of 20695379127 in words is "twenty billion, six hundred ninety-five million, three hundred seventy-nine thousand, one hundred twenty-seven".

Divisors: 1 3 29 37 87 111 1073 1307 3219 3921 4919 14757 37903 48359 113709 142651 145077 182003 427953 546009 1402411 4207233 5278087 6429133 15834261 19287399 186444857 237877921 559334571 713633763 6898459709 20695379127