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131011232112200 = 23521165647907133
BaseRepresentation
bin11101110010011101101101…
…111100111001111001001000
3122011212112220000122010120102
4131302131231330321321020
5114132442000410042300
61142345421255344532
736411151314634346
oct3562355574717110
9564775800563512
10131011232112200
1138820608087280
121283aa30682148
1358143c9896b5b
14244cd98256996
151022d81e4d0d5
hex77276df39e48

131011232112200 has 96 divisors (see below), whose sum is σ = 332297553202560. Its totient is φ = 47639669817600.

The previous prime is 131011232112193. The next prime is 131011232112227. The reversal of 131011232112200 is 2211232110131.

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

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, 143969834 + ... + 144876966.

It is an arithmetic number, because the mean of its divisors is an integer number (3461432845860).

Almost surely, 2131011232112200 is an apocalyptic number.

131011232112200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131011232112200 is an abundant number, since it is smaller than the sum of its proper divisors (201286321090360).

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

131011232112200 is a wasteful number, since it uses less digits than its factorization.

131011232112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972807 (or 972798 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 131011232112200 its reverse (2211232110131), we get a palindrome (133222464222331).

The spelling of 131011232112200 in words is "one hundred thirty-one trillion, eleven billion, two hundred thirty-two million, one hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 25 40 44 50 55 88 100 110 200 220 275 440 550 1100 2200 65647 131294 262588 328235 525176 656470 722117 907133 1312940 1444234 1641175 1814266 2625880 2888468 3282350 3610585 3628532 4535665 5776936 6564700 7221170 7257064 9071330 9978463 13129400 14442340 18052925 18142660 19956926 22678325 28884680 36105850 36285320 39913852 45356650 49892315 72211700 79827704 90713300 99784630 144423400 181426600 199569260 249461575 399138520 498923150 997846300 1995692600 59550560051 119101120102 238202240204 297752800255 476404480408 595505600510 655056160561 1191011201020 1310112321122 1488764001275 2382022402040 2620224642244 2977528002550 3275280802805 5240449284488 5955056005100 6550561605610 11910112010200 13101123211220 16376404014025 26202246422440 32752808028050 65505616056100 131011232112200