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1331013331999 = 131276199130051
BaseRepresentation
bin10011010111100110100…
…100111010110000011111
311201020120121101221210001
4103113212210322300133
5133301403403110444
62455243054555131
7165106515436051
oct23274644726037
94636517357701
101331013331999
1147353036558a
12195b61808aa7
139868b3b6a70
14485c84118d1
15249519b58d4
hex135e693ac1f

1331013331999 has 16 divisors (see below), whose sum is σ = 1444929740800. Its totient is φ = 1218747448800.

The previous prime is 1331013331993. The next prime is 1331013332023. The reversal of 1331013331999 is 9991333101331.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1331013331999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331013331993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10169524 + ... + 10299574.

It is an arithmetic number, because the mean of its divisors is an integer number (90308108800).

Almost surely, 21331013331999 is an apocalyptic number.

1331013331999 is a deficient number, since it is larger than the sum of its proper divisors (113916408801).

1331013331999 is a wasteful number, since it uses less digits than its factorization.

1331013331999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136390.

The product of its (nonzero) digits is 177147, while the sum is 46.

The spelling of 1331013331999 in words is "one trillion, three hundred thirty-one billion, thirteen million, three hundred thirty-one thousand, nine hundred ninety-nine".

Divisors: 1 13 127 1651 6199 80587 130051 787273 1690663 10234549 16516477 214714201 806186149 10480419937 102385640923 1331013331999