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22169862449 = 72310311311831
BaseRepresentation
bin10100101001011011…
…010100000100110001
32010020001111200221122
4110221123110010301
5330400441044244
614103521032025
71413250502330
oct245133240461
963201450848
1022169862449
119447344879
124368785615
1321240b6807
141104559d17
1589b4d31ee
hex5296d4131

22169862449 has 32 divisors (see below), whose sum is σ = 26933796864. Its totient is φ = 17839261440.

The previous prime is 22169862437. The next prime is 22169862457. The reversal of 22169862449 is 94426896122.

It is a de Polignac number, because none of the positive numbers 2k-22169862449 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 22169862449.

It is not an unprimeable number, because it can be changed into a prime (22169862149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1867964 + ... + 1879794.

It is an arithmetic number, because the mean of its divisors is an integer number (841681152).

Almost surely, 222169862449 is an apocalyptic number.

It is an amenable number.

22169862449 is a deficient number, since it is larger than the sum of its proper divisors (4763934415).

22169862449 is a wasteful number, since it uses less digits than its factorization.

22169862449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12077.

The product of its digits is 2985984, while the sum is 53.

The spelling of 22169862449 in words is "twenty-two billion, one hundred sixty-nine million, eight hundred sixty-two thousand, four hundred forty-nine".

Divisors: 1 7 23 103 113 161 721 791 2369 2599 11639 11831 16583 18193 81473 82817 267697 272113 1218593 1336903 1873879 1904791 8530151 9358321 28027639 30748769 137701009 196193473 215241383 963907063 3167123207 22169862449