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20312044224042 = 2317897972217643
BaseRepresentation
bin1001001111001010001000…
…01011100011111000101010
32122220210221021201111201210
410213211010023203320222
510130243031310132132
6111111120240453550
74164332251121124
oct447450413437052
978823837644653
1020312044224042
1165213204810aa
12234073a61a2b6
13b4455748c51c
14503172c10214
15253569aedbcc
hex1279442e3e2a

20312044224042 has 32 divisors (see below), whose sum is σ = 43014239116992. Its totient is φ = 6372332193024.

The previous prime is 20312044224011. The next prime is 20312044224049. The reversal of 20312044224042 is 24042244021302.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20312044224049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8050473 + ... + 10268115.

It is an arithmetic number, because the mean of its divisors is an integer number (1344194972406).

Almost surely, 220312044224042 is an apocalyptic number.

20312044224042 is an abundant number, since it is smaller than the sum of its proper divisors (22702194892950).

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

20312044224042 is a wasteful number, since it uses less digits than its factorization.

20312044224042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307462.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 20312044224042 its reverse (24042244021302), we get a palindrome (44354288245344).

The spelling of 20312044224042 in words is "twenty trillion, three hundred twelve billion, forty-four million, two hundred twenty-four thousand, forty-two".

Divisors: 1 2 3 6 17 34 51 102 89797 179594 269391 538782 1526549 2217643 3053098 4435286 4579647 6652929 9159294 13305858 37699931 75399862 113099793 226199586 199137688471 398275376942 597413065413 1194826130826 3385340704007 6770681408014 10156022112021 20312044224042