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315516423261053 = 726439110678797
BaseRepresentation
bin100011110111101011110010…
…0010101000100101101111101
31112101011002001000202210011002
41013233113210111010231331
5312323410113323323203
63035014124400340045
7123313211046161600
oct10757274425045575
91471132030683132
10315516423261053
1191595844486613
122b479243914625
13107090c01226c1
1457cb10d7a0337
15267248d857d88
hex11ef5e4544b7d

315516423261053 has 6 divisors (see below), whose sum is σ = 367029308691486. Its totient is φ = 270442648509432.

The previous prime is 315516423261023. The next prime is 315516423261077. The reversal of 315516423261053 is 350162324615513.

It can be written as a sum of positive squares in only one way, i.e., 258763674893689 + 56752748367364 = 16086133^2 + 7533442^2 .

It is not a de Polignac number, because 315516423261053 - 214 = 315516423244669 is a prime.

It is a super-2 number, since 2×3155164232610532 (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315516423260989 and 315516423261007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315516423261023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3219555339350 + ... + 3219555339447.

It is an arithmetic number, because the mean of its divisors is an integer number (61171551448581).

Almost surely, 2315516423261053 is an apocalyptic number.

It is an amenable number.

315516423261053 is a deficient number, since it is larger than the sum of its proper divisors (51512885430433).

315516423261053 is an equidigital number, since it uses as much as digits as its factorization.

315516423261053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6439110678811 (or 6439110678804 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 47.

Adding to 315516423261053 its reverse (350162324615513), we get a palindrome (665678747876566).

The spelling of 315516423261053 in words is "three hundred fifteen trillion, five hundred sixteen billion, four hundred twenty-three million, two hundred sixty-one thousand, fifty-three".

Divisors: 1 7 49 6439110678797 45073774751579 315516423261053