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775116307217 = 7876112639071
BaseRepresentation
bin10110100011110001000…
…10000011101100010001
32202002201012002011200102
423101320202003230101
5100144414233312332
61352030012302145
7110000050621520
oct13217042035421
92662635064612
10775116307217
112797a7a4803a
12106280a71955
13581298762c5
14297316164b7
1515268946062
hexb478883b11

775116307217 has 8 divisors (see below), whose sum is σ = 885948390912. Its totient is φ = 664309519200.

The previous prime is 775116307193. The next prime is 775116307237. The reversal of 775116307217 is 712703611577.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 775116307217 - 214 = 775116290833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (775116307237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6258209 + ... + 6380862.

It is an arithmetic number, because the mean of its divisors is an integer number (110743548864).

Almost surely, 2775116307217 is an apocalyptic number.

It is an amenable number.

775116307217 is a deficient number, since it is larger than the sum of its proper divisors (110832083695).

775116307217 is a wasteful number, since it uses less digits than its factorization.

775116307217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12647839.

The product of its (nonzero) digits is 432180, while the sum is 47.

The spelling of 775116307217 in words is "seven hundred seventy-five billion, one hundred sixteen million, three hundred seven thousand, two hundred seventeen".

Divisors: 1 7 8761 61327 12639071 88473497 110730901031 775116307217