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22012210097 = 971153196817
BaseRepresentation
bin10100100000000001…
…111010101110110001
32002211001212010120122
4110200001322232301
5330040111210342
614040130020025
71406324461433
oct244001725661
962731763518
1022012210097
119376356279
124323a17615
1320ca5387b7
1410cb63c653
1588c7414d2
hex52007abb1

22012210097 has 8 divisors (see below), whose sum is σ = 22258541256. Its totient is φ = 21766275072.

The previous prime is 22012210039. The next prime is 22012210123. The reversal of 22012210097 is 79001221022.

It can be written as a sum of positive squares in 4 ways, for example, as 10666551841 + 11345658256 = 103279^2 + 106516^2 .

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 22012210097 - 210 = 22012209073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22012210037) 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, 13433 + ... + 210249.

It is an arithmetic number, because the mean of its divisors is an integer number (2782317657).

Almost surely, 222012210097 is an apocalyptic number.

It is an amenable number.

22012210097 is a deficient number, since it is larger than the sum of its proper divisors (246331159).

22012210097 is a wasteful number, since it uses less digits than its factorization.

22012210097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198067.

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 22012210097 in words is "twenty-two billion, twelve million, two hundred ten thousand, ninety-seven".

Divisors: 1 97 1153 111841 196817 19091249 226930001 22012210097