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1313155252105 = 54356571079671
BaseRepresentation
bin10011000110111110001…
…001101111111110001001
311122112111001021111112121
4103012332021233332021
5133003320221031410
62443131042211241
7163605132322144
oct23067611577611
94575431244477
101313155252105
114669a69a6874
121925b9053b21
1396aa36b6798
14477b27a905b
1524258ce29da
hex131be26ff89

1313155252105 has 16 divisors (see below), whose sum is σ = 1612719022464. Its totient is φ = 1025911071360.

The previous prime is 1313155252069. The next prime is 1313155252127. The reversal of 1313155252105 is 5012525513131.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-1313155252105 is a prime.

It is a super-2 number, since 2×13131552521052 (a number of 25 digits) contains 22 as substring.

It is a Duffinian 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, 676420 + ... + 1756090.

It is an arithmetic number, because the mean of its divisors is an integer number (100794938904).

Almost surely, 21313155252105 is an apocalyptic number.

It is an amenable number.

1313155252105 is a deficient number, since it is larger than the sum of its proper divisors (299563770359).

1313155252105 is a wasteful number, since it uses less digits than its factorization.

1313155252105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1085376.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 1313155252105 in words is "one trillion, three hundred thirteen billion, one hundred fifty-five million, two hundred fifty-two thousand, one hundred five".

Divisors: 1 5 43 215 5657 28285 243251 1079671 1216255 5398355 46425853 232129265 6107698847 30538494235 262631050421 1313155252105