Search a number
-
+
102131101012130 = 2510213110101213
BaseRepresentation
bin10111001110001100111111…
…111111110001000010100010
3111101121122020000211211120122
4113032030333333301002202
5101341303443324342010
61001114214033240242
730340504614644501
oct2716147777610242
9441548200754518
10102131101012130
112a5a6613a72873
12b555837103082
1344cabc96c83b8
141b31259090838
15bc19e70e6855
hex5ce33fff10a2

102131101012130 has 8 divisors (see below), whose sum is σ = 183835981821852. Its totient is φ = 40852440404848.

The previous prime is 102131101012103. The next prime is 102131101012133. The reversal of 102131101012130 is 31210101131201.

It can be written as a sum of positive squares in 2 ways, for example, as 96243300674689 + 5887800337441 = 9810367^2 + 2426479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 102131101012099 and 102131101012108.

It is not an unprimeable number, because it can be changed into a prime (102131101012133) 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, 5106555050597 + ... + 5106555050616.

Almost surely, 2102131101012130 is an apocalyptic number.

102131101012130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102131101012130 is a deficient number, since it is larger than the sum of its proper divisors (81704880809722).

102131101012130 is a wasteful number, since it uses less digits than its factorization.

102131101012130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10213110101220.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 102131101012130 its reverse (31210101131201), we get a palindrome (133341202143331).

The spelling of 102131101012130 in words is "one hundred two trillion, one hundred thirty-one billion, one hundred one million, twelve thousand, one hundred thirty".

Divisors: 1 2 5 10 10213110101213 20426220202426 51065550506065 102131101012130