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216124858368069 = 3773751139546039
BaseRepresentation
bin110001001001000001111101…
…011010010000000001000101
31001100020100000222110010212120
4301021001331122100001011
5211311442202220234234
62043354220025440153
763344335316055150
oct6111017532200105
91040210028403776
10216124858368069
1162956046204762
12202a6541940059
139379643361051
143b526db1dcc97
1519ebd846ec049
hexc4907d690045

216124858368069 has 16 divisors (see below), whose sum is σ = 329337585346560. Its totient is φ = 123498243630000.

The previous prime is 216124858368011. The next prime is 216124858368079. The reversal of 216124858368069 is 960863858421612.

It is not a de Polignac number, because 216124858368069 - 27 = 216124858367941 is a prime.

It is a super-2 number, since 2×2161248583680692 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 216124858367994 and 216124858368012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216124858368079) 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, 68224249 + ... + 71321790.

It is an arithmetic number, because the mean of its divisors is an integer number (20583599084160).

Almost surely, 2216124858368069 is an apocalyptic number.

It is an amenable number.

216124858368069 is a deficient number, since it is larger than the sum of its proper divisors (113212726978491).

216124858368069 is a wasteful number, since it uses less digits than its factorization.

216124858368069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139619800.

The product of its (nonzero) digits is 238878720, while the sum is 69.

The spelling of 216124858368069 in words is "two hundred sixteen trillion, one hundred twenty-four billion, eight hundred fifty-eight million, three hundred sixty-eight thousand, sixty-nine".

Divisors: 1 3 7 21 73751 221253 516257 1548771 139546039 418638117 976822273 2930466819 10291659922289 30874979766867 72041619456023 216124858368069