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13112131330100 = 22521130673886573
BaseRepresentation
bin1011111011001110011111…
…1011100010000000110100
31201102111200222101021220102
42332303213323202000310
53204312121110030400
643515344024053232
72522214560234255
oct276634773420064
951374628337812
1013112131330100
1141a5907337740
121579276304218
137416128c269a
143348b82ccb2c
1517b1239349d5
hexbece7ee2034

13112131330100 has 72 divisors (see below), whose sum is σ = 31050119519328. Its totient is φ = 4766491900800.

The previous prime is 13112131330097. The next prime is 13112131330141. The reversal of 13112131330100 is 103313121131.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1430414 + ... + 5316986.

Almost surely, 213112131330100 is an apocalyptic number.

13112131330100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112131330100 is an abundant number, since it is smaller than the sum of its proper divisors (17937988189228).

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

13112131330100 is a wasteful number, since it uses less digits than its factorization.

13112131330100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3889665 (or 3889658 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 13112131330100 its reverse (103313121131), we get a palindrome (13215444451231).

The spelling of 13112131330100 in words is "thirteen trillion, one hundred twelve billion, one hundred thirty-one million, three hundred thirty thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 110 220 275 550 1100 3067 6134 12268 15335 30670 33737 61340 67474 76675 134948 153350 168685 306700 337370 674740 843425 1686850 3373700 3886573 7773146 15546292 19432865 38865730 42752303 77731460 85504606 97164325 171009212 194328650 213761515 388657300 427523030 855046060 1068807575 2137615150 4275230300 11920119391 23840238782 47680477564 59600596955 119201193910 131121313301 238402387820 262242626602 298002984775 524485253204 596005969550 655606566505 1192011939100 1311213133010 2622426266020 3278032832525 6556065665050 13112131330100