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131422440012344 = 231317711046957173
BaseRepresentation
bin11101111000011100101011…
…110110100011101000111000
3122020022212021210211211011222
4131320130223312203220320
5114211211124120343334
61143302345132011212
736452646402261155
oct3570345366435070
9566285253754158
10131422440012344
1138969a42235968
12128a6671300b08
135844110221970
142464c46b6722c
15102d8ec7a0d2e
hex77872bda3a38

131422440012344 has 64 divisors (see below), whose sum is σ = 284939864475840. Its totient is φ = 56284417566720.

The previous prime is 131422440012337. The next prime is 131422440012359. The reversal of 131422440012344 is 443210044224131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 523353059 + ... + 523604114.

It is an arithmetic number, because the mean of its divisors is an integer number (4452185382435).

Almost surely, 2131422440012344 is an apocalyptic number.

It is an amenable number.

131422440012344 is an abundant number, since it is smaller than the sum of its proper divisors (153517424463496).

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

131422440012344 is a wasteful number, since it uses less digits than its factorization.

131422440012344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046957280 (or 1046957276 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 35.

Adding to 131422440012344 its reverse (443210044224131), we get a palindrome (574632484236475).

The spelling of 131422440012344 in words is "one hundred thirty-one trillion, four hundred twenty-two billion, four hundred forty million, twelve thousand, three hundred forty-four".

Divisors: 1 2 4 8 13 17 26 34 52 68 71 104 136 142 221 284 442 568 884 923 1207 1768 1846 2414 3692 4828 7384 9656 15691 31382 62764 125528 1046957173 2093914346 4187828692 8375657384 13610443249 17798271941 27220886498 35596543882 54441772996 71193087764 74333959283 108883545992 142386175528 148667918566 231377535233 297335837132 462755070466 594671674264 925510140932 966341470679 1263677307811 1851020281864 1932682941358 2527354615622 3865365882716 5054709231244 7730731765432 10109418462488 16427805001543 32855610003086 65711220006172 131422440012344