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3128675942387 is a prime number
BaseRepresentation
bin101101100001110011100…
…111100011111111110011
3102002002122210202102111002
4231201303213203333303
5402230012020124022
610353143251312215
7442016335502132
oct55416347437763
912062583672432
103128675942387
11aa6956006816
124264372ab66b
131990572c5498
14ab6005bb919
15565b6214092
hex2d8739e3ff3

3128675942387 has 2 divisors, whose sum is σ = 3128675942388. Its totient is φ = 3128675942386.

The previous prime is 3128675942383. The next prime is 3128675942443. The reversal of 3128675942387 is 7832495768213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3128675942387 - 22 = 3128675942383 is a prime.

It is a super-2 number, since 2×31286759423872 (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3128675942383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564337971193 + 1564337971194.

It is an arithmetic number, because the mean of its divisors is an integer number (1564337971194).

Almost surely, 23128675942387 is an apocalyptic number.

3128675942387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3128675942387 is an equidigital number, since it uses as much as digits as its factorization.

3128675942387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121927680, while the sum is 65.

The spelling of 3128675942387 in words is "three trillion, one hundred twenty-eight billion, six hundred seventy-five million, nine hundred forty-two thousand, three hundred eighty-seven".