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309670442071 = 1153748935863
BaseRepresentation
bin1001000000110011100…
…10111111010001010111
31002121022110120101101021
410200121302333101113
520033201113121241
6354132144142011
731241631220114
oct4403162772127
91077273511337
10309670442071
1110a36a989591
1250024007907
132328146c593
1410db95d990b
1580c66700d1
hex4819cbf457

309670442071 has 8 divisors (see below), whose sum is σ = 309989049440. Its totient is φ = 309351923712.

The previous prime is 309670442021. The next prime is 309670442087. The reversal of 309670442071 is 170244076903.

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 309670442071 - 27 = 309670441943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (309670442021) 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, 8616886 + ... + 8652748.

It is an arithmetic number, because the mean of its divisors is an integer number (38748631180).

Almost surely, 2309670442071 is an apocalyptic number.

309670442071 is a deficient number, since it is larger than the sum of its proper divisors (318607369).

309670442071 is a wasteful number, since it uses less digits than its factorization.

309670442071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44505.

The product of its (nonzero) digits is 254016, while the sum is 43.

The spelling of 309670442071 in words is "three hundred nine billion, six hundred seventy million, four hundred forty-two thousand, seventy-one".

Divisors: 1 1153 7489 35863 8634817 41350039 268578007 309670442071