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2130121302130 = 251931110311823
BaseRepresentation
bin11110111111110101000…
…111111010000001110010
321112122012211000212211101
4132333311013322001302
5234344442023132010
64310321512035014
7306616251215653
oct36776507720162
97478184025741
102130121302130
11751419a41008
122a49b9392a6a
13125b3c5ca6c3
14751540d352a
153a62180273a
hex1eff51fa072

2130121302130 has 16 divisors (see below), whose sum is σ = 3836203991424. Its totient is φ = 851607265840.

The previous prime is 2130121302109. The next prime is 2130121302131. The reversal of 2130121302130 is 312031210312.

It is a junction number, because it is equal to n+sod(n) for n = 2130121302098 and 2130121302107.

It is not an unprimeable number, because it can be changed into a prime (2130121302131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55136602 + ... + 55175221.

It is an arithmetic number, because the mean of its divisors is an integer number (239762749464).

Almost surely, 22130121302130 is an apocalyptic number.

2130121302130 is a deficient number, since it is larger than the sum of its proper divisors (1706082689294).

2130121302130 is a wasteful number, since it uses less digits than its factorization.

2130121302130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110313761.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 2130121302130 its reverse (312031210312), we get a palindrome (2442152512442).

The spelling of 2130121302130 in words is "two trillion, one hundred thirty billion, one hundred twenty-one million, three hundred two thousand, one hundred thirty".

Divisors: 1 2 5 10 1931 3862 9655 19310 110311823 220623646 551559115 1103118230 213012130213 426024260426 1065060651065 2130121302130