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10218899159 = 71825179987
BaseRepresentation
bin10011000010001100…
…00000011011010111
3222101011122212022122
421201012000123113
5131412014233114
64410002250155
7511143131630
oct114106003327
928334585278
1010218899159
114374336207
121b9235695b
13c6b160ac1
146cd264887
153ec1ebe8e
hex2611806d7

10218899159 has 8 divisors (see below), whose sum is σ = 11679527808. Its totient is φ = 8758467000.

The previous prime is 10218899123. The next prime is 10218899227. The reversal of 10218899159 is 95199881201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10218899159 - 216 = 10218833623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10218899159.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10218899759) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87764 + ... + 167750.

It is an arithmetic number, because the mean of its divisors is an integer number (1459940976).

Almost surely, 210218899159 is an apocalyptic number.

10218899159 is a deficient number, since it is larger than the sum of its proper divisors (1460628649).

10218899159 is an equidigital number, since it uses as much as digits as its factorization.

10218899159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98245.

The product of its (nonzero) digits is 466560, while the sum is 53.

The spelling of 10218899159 in words is "ten billion, two hundred eighteen million, eight hundred ninety-nine thousand, one hundred fifty-nine".

Divisors: 1 7 18251 79987 127757 559909 1459842737 10218899159