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13131040121310 = 235437701337377
BaseRepresentation
bin1011111100010100111011…
…1110110110000111011110
31201111022111202121102002210
42333011032332312013132
53210114332232340220
643532152213101250
72523454262301366
oct277051676660736
951438452542083
1013131040121310
11420292a906411
121580a72927826
137433371a6c37
1433578d6c39a6
1517b87d9a46e0
hexbf14efb61de

13131040121310 has 16 divisors (see below), whose sum is σ = 31514496291216. Its totient is φ = 3501610699008.

The previous prime is 13131040121293. The next prime is 13131040121323. The reversal of 13131040121310 is 1312104013131.

It is a super-2 number, since 2×131310401213102 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218850668659 + ... + 218850668718.

It is an arithmetic number, because the mean of its divisors is an integer number (1969656018201).

Almost surely, 213131040121310 is an apocalyptic number.

13131040121310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13131040121310 is an abundant number, since it is smaller than the sum of its proper divisors (18383456169906).

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

13131040121310 is a wasteful number, since it uses less digits than its factorization.

13131040121310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437701337387.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 13131040121310 its reverse (1312104013131), we get a palindrome (14443144134441).

The spelling of 13131040121310 in words is "thirteen trillion, one hundred thirty-one billion, forty million, one hundred twenty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 437701337377 875402674754 1313104012131 2188506686885 2626208024262 4377013373770 6565520060655 13131040121310