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104642540315 = 520928508063
BaseRepresentation
bin110000101110100101…
…1100111001100011011
3101000002201101211022022
41201131023213030123
53203301442242230
6120023324445055
710363065626315
oct1413513471433
9330081354268
10104642540315
1140418a93385
12183446a978b
139b385a2911
1450c98727b5
152ac6ad21e5
hex185d2e731b

104642540315 has 4 divisors (see below), whose sum is σ = 125571048384. Its totient is φ = 83714032248.

The previous prime is 104642540287. The next prime is 104642540323. The reversal of 104642540315 is 513045246401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 513045246401 = 1813032829767.

It is a cyclic number.

It is not a de Polignac number, because 104642540315 - 210 = 104642539291 is a prime.

It is a super-2 number, since 2×1046425403152 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10464254027 + ... + 10464254036.

It is an arithmetic number, because the mean of its divisors is an integer number (31392762096).

Almost surely, 2104642540315 is an apocalyptic number.

104642540315 is a deficient number, since it is larger than the sum of its proper divisors (20928508069).

104642540315 is an equidigital number, since it uses as much as digits as its factorization.

104642540315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20928508068.

The product of its (nonzero) digits is 57600, while the sum is 35.

Adding to 104642540315 its reverse (513045246401), we get a palindrome (617687786716).

The spelling of 104642540315 in words is "one hundred four billion, six hundred forty-two million, five hundred forty thousand, three hundred fifteen".

Divisors: 1 5 20928508063 104642540315