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1357927161731 = 7580795333
BaseRepresentation
bin10011110000101010110…
…001000001111110000011
311210211001021112011102122
4103300222301001332003
5134222013323133411
62515453443434455
7200051462300000
oct23605261017603
94724037464378
101357927161731
11483991533178
1219b213085a2b
139b08a2868ba
1449a1ca228a7
15254c96c89db
hex13c2ac41f83

1357927161731 has 12 divisors (see below), whose sum is σ = 1584234909072. Its totient is φ = 1163937552792.

The previous prime is 1357927161697. The next prime is 1357927161743. The reversal of 1357927161731 is 1371617297531.

It is not a de Polignac number, because 1357927161731 - 26 = 1357927161667 is a prime.

It is a super-2 number, since 2×13579271617312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1357927161431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40380860 + ... + 40414473.

It is an arithmetic number, because the mean of its divisors is an integer number (132019575756).

Almost surely, 21357927161731 is an apocalyptic number.

1357927161731 is a deficient number, since it is larger than the sum of its proper divisors (226307747341).

1357927161731 is an frugal number, since it uses more digits than its factorization.

1357927161731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80795368 (or 80795340 counting only the distinct ones).

The product of its digits is 1666980, while the sum is 53.

The spelling of 1357927161731 in words is "one trillion, three hundred fifty-seven billion, nine hundred twenty-seven million, one hundred sixty-one thousand, seven hundred thirty-one".

Divisors: 1 7 49 343 2401 16807 80795333 565567331 3958971317 27712799219 193989594533 1357927161731