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20120113230113 = 135926232220639
BaseRepresentation
bin1001001001100100101000…
…01100111011000100100001
32122020110112021200210200002
410210302110030323010201
510114121442441330423
6110443015153305345
74144426106441141
oct444622414730441
978213467623602
1020120113230113
11645798a42a666
12230b4b5265255
13b2c41aa94770
144d7b6663a921
1524d584c56228
hex124c9433b121

20120113230113 has 8 divisors (see below), whose sum is σ = 22035065337600. Its totient is φ = 18257625564048.

The previous prime is 20120113230071. The next prime is 20120113230143. The reversal of 20120113230113 is 31103231102102.

It is a happy number.

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

It is not a de Polignac number, because 20120113230113 - 28 = 20120113229857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20120113230143) 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, 13116109553 + ... + 13116111086.

It is an arithmetic number, because the mean of its divisors is an integer number (2754383167200).

Almost surely, 220120113230113 is an apocalyptic number.

It is an amenable number.

20120113230113 is a deficient number, since it is larger than the sum of its proper divisors (1914952107487).

20120113230113 is a wasteful number, since it uses less digits than its factorization.

20120113230113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26232220711.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20120113230113 its reverse (31103231102102), we get a palindrome (51223344332215).

The spelling of 20120113230113 in words is "twenty trillion, one hundred twenty billion, one hundred thirteen million, two hundred thirty thousand, one hundred thirteen".

Divisors: 1 13 59 767 26232220639 341018868307 1547701017701 20120113230113