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308612668071 = 31011018523657
BaseRepresentation
bin1000111110110101011…
…11111001101010100111
31002111120202011220020110
410133122233321222213
520024014320334241
6353435200304103
731203465252651
oct4373257715247
91074522156213
10308612668071
111099778952a4
124b989912033
13231432846c6
1410d18d2d6d1
15806387a816
hex47dabf9aa7

308612668071 has 8 divisors (see below), whose sum is σ = 415557652464. Its totient is φ = 203704731200.

The previous prime is 308612668061. The next prime is 308612668079. The reversal of 308612668071 is 170866216803.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-308612668071 is a prime.

It is a super-2 number, since 2×3086126680712 (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 308612668071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (308612668079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 509261526 + ... + 509262131.

It is an arithmetic number, because the mean of its divisors is an integer number (51944706558).

Almost surely, 2308612668071 is an apocalyptic number.

308612668071 is a deficient number, since it is larger than the sum of its proper divisors (106944984393).

308612668071 is a wasteful number, since it uses less digits than its factorization.

308612668071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018523761.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 308612668071 in words is "three hundred eight billion, six hundred twelve million, six hundred sixty-eight thousand, seventy-one".

Divisors: 1 3 101 303 1018523657 3055570971 102870889357 308612668071