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131012224210140 = 223571323994912859
BaseRepresentation
bin11101110010011110101001…
…000101011101010011011100
3122011212122110011102221002120
4131302132221011131103130
5114133001013344211030
61142350103535422540
736411215022424230
oct3562365105352334
9564778404387076
10131012224210140
1138820a770a3129
121283b068984a50
135814527298360
14244d04dd085c0
151022dde0bd010
hex7727a915d4dc

131012224210140 has 96 divisors (see below), whose sum is σ = 451488280373760. Its totient is φ = 27642139612416.

The previous prime is 131012224210123. The next prime is 131012224210151. The reversal of 131012224210140 is 41012422210131.

It is a self number, because there is not a number n which added to its sum of digits gives 131012224210140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11997450970 + ... + 11997461889.

It is an arithmetic number, because the mean of its divisors is an integer number (4703002920560).

Almost surely, 2131012224210140 is an apocalyptic number.

131012224210140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131012224210140 is an abundant number, since it is smaller than the sum of its proper divisors (320476056163620).

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

131012224210140 is a wasteful number, since it uses less digits than its factorization.

131012224210140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23994912891 (or 23994912889 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 131012224210140 its reverse (41012422210131), we get a palindrome (172024646420271).

The spelling of 131012224210140 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-four million, two hundred ten thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 52 60 65 70 78 84 91 105 130 140 156 182 195 210 260 273 364 390 420 455 546 780 910 1092 1365 1820 2730 5460 23994912859 47989825718 71984738577 95979651436 119974564295 143969477154 167964390013 239949128590 287938954308 311933867167 335928780026 359923692885 479898257180 503893170039 623867734334 671857560052 719847385770 839821950065 935801601501 1007786340078 1247735468668 1439694771540 1559669335835 1679643900130 1871603203002 2015572680156 2183537070169 2519465850195 3119338671670 3359287800260 3743206406004 4367074140338 4679008007505 5038931700390 6238677343340 6550611210507 8734148280676 9358016015010 10077863400780 10917685350845 13101222421014 18716032030020 21835370701690 26202444842028 32753056052535 43670741403380 65506112105070 131012224210140