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12315360520346 = 213473667712321
BaseRepresentation
bin1011001100110110010010…
…1100000110100010011010
31121121100002122112102011112
42303031210230012202122
53103233324243122341
642105333140300322
72410520054136122
oct263154454064232
947540078472145
1012315360520346
113a18a07a53414
12146a9713a16a2
136b4444965090
143080d0b8dc82
1516553dda9aeb
hexb3364b0689a

12315360520346 has 8 divisors (see below), whose sum is σ = 19894043917524. Its totient is φ = 5684012547840.

The previous prime is 12315360520343. The next prime is 12315360520349. The reversal of 12315360520346 is 64302506351321.

It is an interprime number because it is at equal distance from previous prime (12315360520343) and next prime (12315360520349).

It can be written as a sum of positive squares in 2 ways, for example, as 8696276613025 + 3619083907321 = 2948945^2 + 1902389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12315360520343) 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, 236833856135 + ... + 236833856186.

Almost surely, 212315360520346 is an apocalyptic number.

12315360520346 is a deficient number, since it is larger than the sum of its proper divisors (7578683397178).

12315360520346 is a wasteful number, since it uses less digits than its factorization.

12315360520346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473667712336.

The product of its (nonzero) digits is 388800, while the sum is 41.

Adding to 12315360520346 its reverse (64302506351321), we get a palindrome (76617866871667).

The spelling of 12315360520346 in words is "twelve trillion, three hundred fifteen billion, three hundred sixty million, five hundred twenty thousand, three hundred forty-six".

Divisors: 1 2 13 26 473667712321 947335424642 6157680260173 12315360520346