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20313132013260 = 22325112850733407
BaseRepresentation
bin1001001111001100001010…
…00001001001011011001100
32122220220202002120221000100
410213212011001021123030
510130302243243411020
6111111420215531100
74164401230146222
oct447460501113314
978826662527010
1020313132013260
116521829506259
1223409a2989a90
13b4469b956298
14503237490b12
152535d0371a90
hex1279850496cc

20313132013260 has 36 divisors (see below), whose sum is σ = 61616500440768. Its totient is φ = 5416835203488.

The previous prime is 20313132013193. The next prime is 20313132013289. The reversal of 20313132013260 is 6231023131302.

20313132013260 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 313 + 20 + 1 + 326 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56425366524 + ... + 56425366883.

It is an arithmetic number, because the mean of its divisors is an integer number (1711569456688).

Almost surely, 220313132013260 is an apocalyptic number.

20313132013260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20313132013260 is an abundant number, since it is smaller than the sum of its proper divisors (41303368427508).

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

20313132013260 is a wasteful number, since it uses less digits than its factorization.

20313132013260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112850733422 (or 112850733417 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 20313132013260 its reverse (6231023131302), we get a palindrome (26544155144562).

The spelling of 20313132013260 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty-two million, thirteen thousand, two hundred sixty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 112850733407 225701466814 338552200221 451402933628 564253667035 677104400442 1015656600663 1128507334070 1354208800884 1692761001105 2031313201326 2257014668140 3385522002210 4062626402652 5078283003315 6771044004420 10156566006630 20313132013260