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131020420134300 = 223521852992356919
BaseRepresentation
bin11101110010100110010001…
…100110011011010110011100
3122011220102121100112000102020
4131302212101212123112130
5114133114310023244200
61142353541114500140
736411625102554654
oct3562462146332634
9564812540460366
10131020420134300
11388244a251a274
1212840775734650
135815232299518
14244d5ca613364
15102321d8b9ea0
hex77299199b59c

131020420134300 has 72 divisors (see below), whose sum is σ = 379087955568000. Its totient is φ = 34938575325120.

The previous prime is 131020420134299. The next prime is 131020420134337. The reversal of 131020420134300 is 3431024020131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54411241 + ... + 56768159.

It is an arithmetic number, because the mean of its divisors is an integer number (5265110494000).

Almost surely, 2131020420134300 is an apocalyptic number.

131020420134300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131020420134300 is an abundant number, since it is smaller than the sum of its proper divisors (248067535433700).

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

131020420134300 is a wasteful number, since it uses less digits than its factorization.

131020420134300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542235 (or 2542228 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 131020420134300 its reverse (3431024020131), we get a palindrome (134451444154431).

The spelling of 131020420134300 in words is "one hundred thirty-one trillion, twenty billion, four hundred twenty million, one hundred thirty-four thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 185299 370598 555897 741196 926495 1111794 1852990 2223588 2356919 2779485 3705980 4632475 4713838 5558970 7070757 9264950 9427676 11117940 11784595 13897425 14141514 18529900 23569190 27794850 28283028 35353785 47138380 55589700 58922975 70707570 117845950 141415140 176768925 235691900 353537850 707075700 436734733781 873469467562 1310204201343 1746938935124 2183673668905 2620408402686 4367347337810 5240816805372 6551021006715 8734694675620 10918368344525 13102042013430 21836736689050 26204084026860 32755105033575 43673473378100 65510210067150 131020420134300