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220022212121982 = 232101339673562997
BaseRepresentation
bin110010000001101111101001…
…110010111101010101111110
31001212000220210021010021100200
4302001233221302331111332
5212314320442300400412
62055540450414304330
764226036345300514
oct6201575162752576
91055026707107320
10220022212121982
1164118994859396
12208159417b80a6
1395a000c33455a
143c491bbc7c4b4
151a68438ea49dc
hexc81be9cbd57e

220022212121982 has 48 divisors (see below), whose sum is σ = 481449050102592. Its totient is φ = 72612433281600.

The previous prime is 220022212121923. The next prime is 220022212122007. The reversal of 220022212121982 is 289121212220022.

220022212121982 is a `hidden beast` number, since 2 + 20 + 0 + 222 + 121 + 219 + 82 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59970508 + ... + 63533504.

It is an arithmetic number, because the mean of its divisors is an integer number (10030188543804).

Almost surely, 2220022212121982 is an apocalyptic number.

220022212121982 is an abundant number, since it is smaller than the sum of its proper divisors (261426837980610).

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

220022212121982 is a wasteful number, since it uses less digits than its factorization.

220022212121982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597073 (or 3597070 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 220022212121982 in words is "two hundred twenty trillion, twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, nine hundred eighty-two".

Divisors: 1 2 3 6 9 18 101 202 303 606 909 1818 33967 67934 101901 203802 305703 611406 3430667 3562997 6861334 7125994 10292001 10688991 20584002 21377982 30876003 32066973 61752006 64133946 359862697 719725394 1079588091 2159176182 3238764273 6477528546 121024319099 242048638198 363072957297 726145914594 1089218871891 2178437743782 12223456228999 24446912457998 36670368686997 73340737373994 110011106060991 220022212121982