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6868746229911 = 319791525371137
BaseRepresentation
bin110001111110100000100…
…1011011101100010010111
3220022122102201211121112020
41203331001023131202113
51400014143013324121
622335243005424223
71306151635425366
oct143750113354227
926278381747466
106868746229911
1122090231a7195
1292b26126b073
133aa948a84207
1419a6404417dd
15bda1277d1c6
hex63f412dd897

6868746229911 has 16 divisors (see below), whose sum is σ = 9762375283200. Its totient is φ = 4283242149888.

The previous prime is 6868746229879. The next prime is 6868746229921. The reversal of 6868746229911 is 1199226478686.

It is not a de Polignac number, because 6868746229911 - 25 = 6868746229879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6868746229921) 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, 762681066 + ... + 762690071.

It is an arithmetic number, because the mean of its divisors is an integer number (610148455200).

Almost surely, 26868746229911 is an apocalyptic number.

6868746229911 is a deficient number, since it is larger than the sum of its proper divisors (2893629053289).

6868746229911 is a wasteful number, since it uses less digits than its factorization.

6868746229911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1525371238.

The product of its digits is 125411328, while the sum is 69.

The spelling of 6868746229911 in words is "six trillion, eight hundred sixty-eight billion, seven hundred forty-six million, two hundred twenty-nine thousand, nine hundred eleven".

Divisors: 1 3 19 57 79 237 1501 4503 1525371137 4576113411 28982051603 86946154809 120504319823 361512959469 2289582076637 6868746229911