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1307907145517 = 7190367981493
BaseRepresentation
bin10011000010000101010…
…101110011111100101101
311122000221022001001201112
4103002011111303330231
5132412043212124032
62440502205121405
7163331105206640
oct23020525637455
94560838031645
101307907145517
114647535396a5
12191593559265
139644832927b
14474357a1a57
152404d1cd1b2
hex13085573f2d

1307907145517 has 8 divisors (see below), whose sum is σ = 1494760398336. Its totient is φ = 1121056236432.

The previous prime is 1307907145499. The next prime is 1307907145543. The reversal of 1307907145517 is 7155417097031.

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 1307907145517 - 210 = 1307907144493 is a prime.

It is a super-2 number, since 2×13079071455172 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1307907145117) 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, 841823 + ... + 1823315.

It is an arithmetic number, because the mean of its divisors is an integer number (186845049792).

Almost surely, 21307907145517 is an apocalyptic number.

It is an amenable number.

1307907145517 is a deficient number, since it is larger than the sum of its proper divisors (186853252819).

1307907145517 is an equidigital number, since it uses as much as digits as its factorization.

1307907145517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171867.

The product of its (nonzero) digits is 926100, while the sum is 50.

The spelling of 1307907145517 in words is "one trillion, three hundred seven billion, nine hundred seven million, one hundred forty-five thousand, five hundred seventeen".

Divisors: 1 7 190367 981493 1332569 6870451 186843877931 1307907145517