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10206396691 is a prime number
BaseRepresentation
bin10011000000101100…
…10100000100010011
3222100022010200011021
421200112110010103
5131400314143231
64404434300311
7510631640401
oct114026240423
928308120137
1010206396691
114368276997
121b8a127697
13c686a41aa
146cb72c471
153eb07c811
hex260594113

10206396691 has 2 divisors, whose sum is σ = 10206396692. Its totient is φ = 10206396690.

The previous prime is 10206396653. The next prime is 10206396713. The reversal of 10206396691 is 19669360201.

It is a strong prime.

It is an emirp because it is prime and its reverse (19669360201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10206396691 - 211 = 10206394643 is a prime.

It is not a weakly prime, because it can be changed into another prime (10206396191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5103198345 + 5103198346.

It is an arithmetic number, because the mean of its divisors is an integer number (5103198346).

Almost surely, 210206396691 is an apocalyptic number.

10206396691 is a deficient number, since it is larger than the sum of its proper divisors (1).

10206396691 is an equidigital number, since it uses as much as digits as its factorization.

10206396691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 104976, while the sum is 43.

The spelling of 10206396691 in words is "ten billion, two hundred six million, three hundred ninety-six thousand, six hundred ninety-one".