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7068866083521 = 311997214852621
BaseRepresentation
bin110011011011101100101…
…0000000111101011000001
3221000202222102122111021020
41212313121100013223001
51411304014204133041
623011220420420053
71326465043214004
oct146673120075301
927022872574236
107068866083521
11228598668a160
12961bb0b47629
133c378bb78788
141a61c640153b
15c3d264c9866
hex66dd9407ac1

7068866083521 has 16 divisors (see below), whose sum is σ = 10292300004288. Its totient is φ = 4279864190400.

The previous prime is 7068866083519. The next prime is 7068866083547. The reversal of 7068866083521 is 1253806688607.

It is not a de Polignac number, because 7068866083521 - 21 = 7068866083519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7068866081521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107393410 + ... + 107459211.

It is an arithmetic number, because the mean of its divisors is an integer number (643268750268).

Almost surely, 27068866083521 is an apocalyptic number.

It is an amenable number.

7068866083521 is a deficient number, since it is larger than the sum of its proper divisors (3223433920767).

7068866083521 is a wasteful number, since it uses less digits than its factorization.

7068866083521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214853632.

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 7068866083521 in words is "seven trillion, sixty-eight billion, eight hundred sixty-six million, eighty-three thousand, five hundred twenty-one".

Divisors: 1 3 11 33 997 2991 10967 32901 214852621 644557863 2363378831 7090136493 214208063137 642624189411 2356288694507 7068866083521