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10315120351 = 91823112337
BaseRepresentation
bin10011001101101010…
…00011111011011111
3222121212201101222111
421212311003323133
5132111132322401
64423320454451
7513422035114
oct114665037337
928555641874
1010315120351
114413686658
121bba61a427
13c85080613
146dbd5090b
154058a6e51
hex266d43edf

10315120351 has 4 divisors (see below), whose sum is σ = 10315324512. Its totient is φ = 10314916192.

The previous prime is 10315120337. The next prime is 10315120367. The reversal of 10315120351 is 15302151301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15302151301 = 100691519729.

It is a cyclic number.

It is not a de Polignac number, because 10315120351 - 215 = 10315087583 is a prime.

It is a super-2 number, since 2×103151203512 (a number of 21 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 (10315120951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35655 + ... + 147991.

It is an arithmetic number, because the mean of its divisors is an integer number (2578831128).

Almost surely, 210315120351 is an apocalyptic number.

10315120351 is a deficient number, since it is larger than the sum of its proper divisors (204161).

10315120351 is an equidigital number, since it uses as much as digits as its factorization.

10315120351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204160.

The product of its (nonzero) digits is 450, while the sum is 22.

Adding to 10315120351 its reverse (15302151301), we get a palindrome (25617271652).

The spelling of 10315120351 in words is "ten billion, three hundred fifteen million, one hundred twenty thousand, three hundred fifty-one".

Divisors: 1 91823 112337 10315120351