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69886968002082 = 23271150423497837
BaseRepresentation
bin11111110001111110100111…
…11001101111011000100010
3100011110010110221222100012100
433320333103321233120202
533130012002302031312
6404345344015311230
720502111134350350
oct1770772371573042
9304403427870170
1069886968002082
11202a4995540110
127a0869021b516
132ccc40b3010ba
141338793b0a7d0
15812dc16385dc
hex3f8fd3e6f622

69886968002082 has 48 divisors (see below), whose sum is σ = 188785575905472. Its totient is φ = 18152459220960.

The previous prime is 69886968002051. The next prime is 69886968002087. The reversal of 69886968002082 is 28020086968896.

It is a super-3 number, since 3×698869680020823 (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69886968002082.

It is not an unprimeable number, because it can be changed into a prime (69886968002087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25211747533 + ... + 25211750304.

It is an arithmetic number, because the mean of its divisors is an integer number (3933032831364).

Almost surely, 269886968002082 is an apocalyptic number.

69886968002082 is an abundant number, since it is smaller than the sum of its proper divisors (118898607903390).

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

69886968002082 is a wasteful number, since it uses less digits than its factorization.

69886968002082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50423497863 (or 50423497860 counting only the distinct ones).

The product of its (nonzero) digits is 286654464, while the sum is 72.

The spelling of 69886968002082 in words is "sixty-nine trillion, eight hundred eighty-six billion, nine hundred sixty-eight million, two thousand, eighty-two".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 154 198 231 462 693 1386 50423497837 100846995674 151270493511 302540987022 352964484859 453811480533 554658476207 705928969718 907622961066 1058893454577 1109316952414 1663975428621 2117786909154 3176680363731 3327950857242 3882609333449 4991926285863 6353360727462 7765218666898 9983852571726 11647828000347 23295656000694 34943484001041 69886968002082