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104662602257 = 509205623973
BaseRepresentation
bin110000101111001100…
…0001001001000010001
3101000011010011002010012
41201132120021020101
53203322111233012
6120025322444305
710363431304043
oct1413630111021
9330133132105
10104662602257
11404293461a4
121834b363695
139b3c7a82a5
1450cc3b5a93
152ac8746622
hex185e609211

104662602257 has 4 divisors (see below), whose sum is σ = 104868226740. Its totient is φ = 104456977776.

The previous prime is 104662602217. The next prime is 104662602259. The reversal of 104662602257 is 752206266401.

It is a Cunningham number, because it is equal to 3235162+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 752206266401 = 3124264718271.

It can be written as a sum of positive squares in 2 ways, for example, as 85109893696 + 19552708561 = 291736^2 + 139831^2 .

It is a cyclic number.

It is not a de Polignac number, because 104662602257 - 26 = 104662602193 is a prime.

It is a super-2 number, since 2×1046626022572 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104662602259) 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, 102811478 + ... + 102812495.

It is an arithmetic number, because the mean of its divisors is an integer number (26217056685).

Almost surely, 2104662602257 is an apocalyptic number.

It is an amenable number.

104662602257 is a deficient number, since it is larger than the sum of its proper divisors (205624483).

104662602257 is an equidigital number, since it uses as much as digits as its factorization.

104662602257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205624482.

The product of its (nonzero) digits is 241920, while the sum is 41.

Adding to 104662602257 its reverse (752206266401), we get a palindrome (856868868658).

The spelling of 104662602257 in words is "one hundred four billion, six hundred sixty-two million, six hundred two thousand, two hundred fifty-seven".

Divisors: 1 509 205623973 104662602257