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870862407841 is a prime number
BaseRepresentation
bin11001010110000110111…
…00011100100010100001
310002020211220021001000101
430223003130130202201
5103232011234022331
61504022455422401
7116626532221156
oct14530334344241
93066756231011
10870862407841
11306370142618
12120942084a01
1364177c87b0a
143021571022d
15179be4a6061
hexcac371c8a1

870862407841 has 2 divisors, whose sum is σ = 870862407842. Its totient is φ = 870862407840.

The previous prime is 870862407839. The next prime is 870862407893. The reversal of 870862407841 is 148704268078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 460905210000 + 409957197841 = 678900^2 + 640279^2 .

It is a cyclic number.

It is not a de Polignac number, because 870862407841 - 21 = 870862407839 is a prime.

Together with 870862407839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (870862401841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435431203920 + 435431203921.

It is an arithmetic number, because the mean of its divisors is an integer number (435431203921).

Almost surely, 2870862407841 is an apocalyptic number.

It is an amenable number.

870862407841 is a deficient number, since it is larger than the sum of its proper divisors (1).

870862407841 is an equidigital number, since it uses as much as digits as its factorization.

870862407841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4816896, while the sum is 55.

The spelling of 870862407841 in words is "eight hundred seventy billion, eight hundred sixty-two million, four hundred seven thousand, eight hundred forty-one".