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131201141213420 = 22567155416300193
BaseRepresentation
bin11101110101001110100101…
…011010101000100011101100
3122012112201002010010001020222
4131311032211122220203230
5114144044414122312140
61143012545554430512
736430653405441365
oct3565164532504354
9565481063101228
10131201141213420
1138894100898903
121286b7b0892438
1358292a34207b5
1424582520b2b6c
151027c9955b5b5
hex7753a56a88ec

131201141213420 has 48 divisors (see below), whose sum is σ = 279652708862688. Its totient is φ = 51693831383040.

The previous prime is 131201141213413. The next prime is 131201141213537. The reversal of 131201141213420 is 24312141102131.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 131201141213420.

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, 17674844 + ... + 23975036.

It is an arithmetic number, because the mean of its divisors is an integer number (5826098101306).

Almost surely, 2131201141213420 is an apocalyptic number.

131201141213420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131201141213420 is an abundant number, since it is smaller than the sum of its proper divisors (148451567649268).

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

131201141213420 is a wasteful number, since it uses less digits than its factorization.

131201141213420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6315810 (or 6315808 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

Adding to 131201141213420 its reverse (24312141102131), we get a palindrome (155513282315551).

The spelling of 131201141213420 in words is "one hundred thirty-one trillion, two hundred one billion, one hundred forty-one million, two hundred thirteen thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 15541 31082 62164 77705 155410 310820 1041247 2082494 4164988 5206235 6300193 10412470 12600386 20824940 25200772 31500965 63001930 126003860 422112931 844225862 1688451724 2110564655 4221129310 8442258620 97911299413 195822598826 391645197652 489556497065 979112994130 1958225988260 6560057060671 13120114121342 26240228242684 32800285303355 65600570606710 131201141213420