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131121152012230 = 2583202777936503
BaseRepresentation
bin11101110100000100000101…
…101100000010111111000110
3122012021001121112022121102221
4131310010011230002333012
5114141242104403342410
61142512120424322554
736422122244444242
oct3564040554027706
9565231545277387
10131121152012230
1138863193a98066
12128581a861345a
1358218965ca013
142454424949422
151025b66ec24da
hex774105b02fc6

131121152012230 has 32 divisors (see below), whose sum is σ = 238979507929344. Its totient is φ = 51790987801056.

The previous prime is 131121152012183. The next prime is 131121152012273. The reversal of 131121152012230 is 32210251121131.

It is a junction number, because it is equal to n+sod(n) for n = 131121152012195 and 131121152012204.

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, 37285842 + ... + 40650661.

It is an arithmetic number, because the mean of its divisors is an integer number (7468109622792).

Almost surely, 2131121152012230 is an apocalyptic number.

131121152012230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131121152012230 is a deficient number, since it is larger than the sum of its proper divisors (107858355917114).

131121152012230 is a wasteful number, since it uses less digits than its factorization.

131121152012230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77938620.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 131121152012230 in words is "one hundred thirty-one trillion, one hundred twenty-one billion, one hundred fifty-two million, twelve thousand, two hundred thirty".

Divisors: 1 2 5 10 83 166 415 830 2027 4054 10135 20270 168241 336482 841205 1682410 77936503 155873006 389682515 779365030 6468729749 12937459498 32343648745 64687297490 157977291581 315954583162 789886457905 1579772915810 13112115201223 26224230402446 65560576006115 131121152012230