Search a number
-
+
20331212033112 = 2331575395756909
BaseRepresentation
bin1001001111101101110101…
…01010111100110001011000
32122222122102010100002122020
410213312322222330301120
510131101310240024422
6111124010241254440
74165611246606321
oct447667252746130
978878363302566
1020331212033112
116529467182822
1223443a9934420
13b462c0622c96
1450407078b448
15253cdc78495c
hex127dbaabcc58

20331212033112 has 32 divisors (see below), whose sum is σ = 51151775506800. Its totient is φ = 6733904621184.

The previous prime is 20331212033101. The next prime is 20331212033129. The reversal of 20331212033112 is 21133021213302.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2697874687 + ... + 2697882222.

Almost surely, 220331212033112 is an apocalyptic number.

It is an amenable number.

20331212033112 is an abundant number, since it is smaller than the sum of its proper divisors (30820563473688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20331212033112 is a wasteful number, since it uses less digits than its factorization.

20331212033112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5395757075 (or 5395757071 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 20331212033112 its reverse (21133021213302), we get a palindrome (41464233246414).

The spelling of 20331212033112 in words is "twenty trillion, three hundred thirty-one billion, two hundred twelve million, thirty-three thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 157 314 471 628 942 1256 1884 3768 5395756909 10791513818 16187270727 21583027636 32374541454 43166055272 64749082908 129498165816 847133834713 1694267669426 2541401504139 3388535338852 5082803008278 6777070677704 10165606016556 20331212033112