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20092929191 = 192345979243
BaseRepresentation
bin10010101101101000…
…011100010010100111
31220212022101120010122
4102231220130102213
5312122242213231
613121445112155
71310631036326
oct225550342247
956768346118
1020092929191
118580a31105
123a890b865b
131b82a13c1a
14d887960bd
157c8ec577b
hex4ada1c4a7

20092929191 has 8 divisors (see below), whose sum is σ = 22070037120. Its totient is φ = 18207779832.

The previous prime is 20092929173. The next prime is 20092929203. The reversal of 20092929191 is 19192929002.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-20092929191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20092929121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22989185 + ... + 22990058.

It is an arithmetic number, because the mean of its divisors is an integer number (2758754640).

Almost surely, 220092929191 is an apocalyptic number.

20092929191 is a deficient number, since it is larger than the sum of its proper divisors (1977107929).

20092929191 is a wasteful number, since it uses less digits than its factorization.

20092929191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45979285.

The product of its (nonzero) digits is 52488, while the sum is 44.

The spelling of 20092929191 in words is "twenty billion, ninety-two million, nine hundred twenty-nine thousand, one hundred ninety-one".

Divisors: 1 19 23 437 45979243 873605617 1057522589 20092929191