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870868408317 = 3290289469439
BaseRepresentation
bin11001010110000111100…
…11010101011111111101
310002020212022112220010020
430223003303111133331
5103232014303031232
61504023232202353
7116626634222235
oct14530363253775
93066768486106
10870868408317
11306373570896
121209440993b9
13641792a90ab
1430216432cc5
15179bec8de2c
hexcac3cd57fd

870868408317 has 4 divisors (see below), whose sum is σ = 1161157877760. Its totient is φ = 580578938876.

The previous prime is 870868408307. The next prime is 870868408321. The reversal of 870868408317 is 713804868078.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 870868408317 - 212 = 870868404221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (870868408307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145144734717 + ... + 145144734722.

It is an arithmetic number, because the mean of its divisors is an integer number (290289469440).

Almost surely, 2870868408317 is an apocalyptic number.

It is an amenable number.

870868408317 is a deficient number, since it is larger than the sum of its proper divisors (290289469443).

870868408317 is a wasteful number, since it uses less digits than its factorization.

870868408317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290289469442.

The product of its (nonzero) digits is 14450688, while the sum is 60.

The spelling of 870868408317 in words is "eight hundred seventy billion, eight hundred sixty-eight million, four hundred eight thousand, three hundred seventeen".

Divisors: 1 3 290289469439 870868408317