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22127707272 = 2331183817073
BaseRepresentation
bin10100100110111010…
…100000010010001000
32010010010011222220210
4110212322200102020
5330304143113042
614055413321120
71412226260046
oct244672402210
963103158823
1022127707272
119425571a90
1243566361a0
132118447018
1410dcb05396
15897957a9c
hex526ea0488

22127707272 has 32 divisors (see below), whose sum is σ = 60348293280. Its totient is φ = 6705365760.

The previous prime is 22127707271. The next prime is 22127707307. The reversal of 22127707272 is 27270772122.

It is a self number, because there is not a number n which added to its sum of digits gives 22127707272.

It is not an unprimeable number, because it can be changed into a prime (22127707271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41908273 + ... + 41908800.

It is an arithmetic number, because the mean of its divisors is an integer number (1885884165).

Almost surely, 222127707272 is an apocalyptic number.

22127707272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22127707272 is an abundant number, since it is smaller than the sum of its proper divisors (38220586008).

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

22127707272 is a wasteful number, since it uses less digits than its factorization.

22127707272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83817093 (or 83817089 counting only the distinct ones).

The product of its (nonzero) digits is 76832, while the sum is 39.

The spelling of 22127707272 in words is "twenty-two billion, one hundred twenty-seven million, seven hundred seven thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 83817073 167634146 251451219 335268292 502902438 670536584 921987803 1005804876 1843975606 2011609752 2765963409 3687951212 5531926818 7375902424 11063853636 22127707272