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15948980863 is a prime number
BaseRepresentation
bin11101101101010001…
…00010001001111111
31112011111211011200221
432312220202021333
5230130414341423
611154334002211
71103142046324
oct166650421177
945144734627
1015948980863
116844869422
123111346367
131672331caa
14ab4290b4b
156352b8e5d
hex3b6a2227f

15948980863 has 2 divisors, whose sum is σ = 15948980864. Its totient is φ = 15948980862.

The previous prime is 15948980837. The next prime is 15948980881. The reversal of 15948980863 is 36808984951.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 15948980863 - 225 = 15915426431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15948980063) 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, 7974490431 + 7974490432.

It is an arithmetic number, because the mean of its divisors is an integer number (7974490432).

Almost surely, 215948980863 is an apocalyptic number.

15948980863 is a deficient number, since it is larger than the sum of its proper divisors (1).

15948980863 is an equidigital number, since it uses as much as digits as its factorization.

15948980863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14929920, while the sum is 61.

The spelling of 15948980863 in words is "fifteen billion, nine hundred forty-eight million, nine hundred eighty thousand, eight hundred sixty-three".