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131423410024340 = 22572178775045059
BaseRepresentation
bin11101111000011101100101…
…101010110110111110010100
3122020022221210102002112111012
4131320131211222312332110
5114211220120431234330
61143303025302431352
736453012421243400
oct3570354552667624
9566287712075435
10131423410024340
113896a39a837275
12128a68a2132558
13584423618c465
142464cd990a100
15102d957a0bc95
hex778765ab6f94

131423410024340 has 72 divisors (see below), whose sum is σ = 321228278068320. Its totient is φ = 45034239125568.

The previous prime is 131423410024339. The next prime is 131423410024393. The reversal of 131423410024340 is 43420014324131.

It is a super-2 number, since 2×1314234100243402 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131423410024297 and 131423410024306.

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, 35771270 + ... + 39273789.

It is an arithmetic number, because the mean of its divisors is an integer number (4461503862060).

Almost surely, 2131423410024340 is an apocalyptic number.

131423410024340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131423410024340 is an abundant number, since it is smaller than the sum of its proper divisors (189804868043980).

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

131423410024340 is a wasteful number, since it uses less digits than its factorization.

131423410024340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75046869 (or 75046860 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 131423410024340 its reverse (43420014324131), we get a palindrome (174843424348471).

The spelling of 131423410024340 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, four hundred ten million, twenty-four thousand, three hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 49 70 98 140 196 245 490 980 1787 3574 7148 8935 12509 17870 25018 35740 50036 62545 87563 125090 175126 250180 350252 437815 875630 1751260 75045059 150090118 300180236 375225295 525315413 750450590 1050630826 1500901180 2101261652 2626577065 3677207891 5253154130 7354415782 10506308260 14708831564 18386039455 36772078910 73544157820 134105520433 268211040866 536422081732 670527602165 938738643031 1341055204330 1877477286062 2682110408660 3754954572124 4693693215155 6571170501217 9387386430310 13142341002434 18774772860620 26284682004868 32855852506085 65711705012170 131423410024340