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102313210133 = 229446782577
BaseRepresentation
bin101111101001001010…
…1111011000100010101
3100210002101100121000002
41133102111323010111
53134014140211013
6115000235101045
710251262636241
oct1372225730425
9323071317002
10102313210133
113a43315a112
12179b45a1785
139856b2b634
144d4836b421
1529dc36a358
hex17d257b115

102313210133 has 4 divisors (see below), whose sum is σ = 102759992940. Its totient is φ = 101866427328.

The previous prime is 102313210099. The next prime is 102313210171. The reversal of 102313210133 is 331012313201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331012313201 = 1492221559149.

It can be written as a sum of positive squares in 2 ways, for example, as 87037980484 + 15275229649 = 295022^2 + 123593^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102313210133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102313200133) 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, 223391060 + ... + 223391517.

It is an arithmetic number, because the mean of its divisors is an integer number (25689998235).

Almost surely, 2102313210133 is an apocalyptic number.

It is an amenable number.

102313210133 is a deficient number, since it is larger than the sum of its proper divisors (446782807).

102313210133 is an equidigital number, since it uses as much as digits as its factorization.

102313210133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446782806.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 102313210133 its reverse (331012313201), we get a palindrome (433325523334).

The spelling of 102313210133 in words is "one hundred two billion, three hundred thirteen million, two hundred ten thousand, one hundred thirty-three".

Divisors: 1 229 446782577 102313210133