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20120746699 is a prime number
BaseRepresentation
bin10010101111010010…
…100011101011001011
31220221020201211120201
4102233102203223023
5312201402343244
613124321233031
71311416345044
oct225722435313
956836654521
1020120746699
118595700889
123a96492777
131b887036a1
14d8c3578cb
157cb66cad4
hex4af4a3acb

20120746699 has 2 divisors, whose sum is σ = 20120746700. Its totient is φ = 20120746698.

The previous prime is 20120746697. The next prime is 20120746703. The reversal of 20120746699 is 99664702102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20120746699 - 21 = 20120746697 is a prime.

Together with 20120746697, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (20120746697) 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 as a sum of consecutive naturals, namely, 10060373349 + 10060373350.

It is an arithmetic number, because the mean of its divisors is an integer number (10060373350).

Almost surely, 220120746699 is an apocalyptic number.

20120746699 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120746699 is an equidigital number, since it uses as much as digits as its factorization.

20120746699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 20120746699 in words is "twenty billion, one hundred twenty million, seven hundred forty-six thousand, six hundred ninety-nine".