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102113031133 = 181564160393
BaseRepresentation
bin101111100011001101…
…0010011001111011101
3100202120102200110001001
41133012122103033131
53133111413444013
6114524324350301
710243312305061
oct1370632231735
9322512613031
10102113031133
113a340164723
1217959545391
139824510a19
144d2993daa1
1529c99c7ddd
hex17c66933dd

102113031133 has 4 divisors (see below), whose sum is σ = 102677191708. Its totient is φ = 101548870560.

The previous prime is 102113031131. The next prime is 102113031143. The reversal of 102113031133 is 331130311201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331130311201 = 546619605779.

It can be written as a sum of positive squares in 2 ways, for example, as 12318114169 + 89794916964 = 110987^2 + 299658^2 .

It is a cyclic number.

It is not a de Polignac number, because 102113031133 - 21 = 102113031131 is a prime.

It is a super-2 number, since 2×1021130311332 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102113031133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102113031131) 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, 282080016 + ... + 282080377.

It is an arithmetic number, because the mean of its divisors is an integer number (25669297927).

Almost surely, 2102113031133 is an apocalyptic number.

It is an amenable number.

102113031133 is a deficient number, since it is larger than the sum of its proper divisors (564160575).

102113031133 is an equidigital number, since it uses as much as digits as its factorization.

102113031133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564160574.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 102113031133 its reverse (331130311201), we get a palindrome (433243342334).

The spelling of 102113031133 in words is "one hundred two billion, one hundred thirteen million, thirty-one thousand, one hundred thirty-three".

Divisors: 1 181 564160393 102113031133