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22204576145 = 56172801889
BaseRepresentation
bin10100101011011111…
…101111000110010001
32010022110211100012002
4110223133233012101
5330433332414040
614111201043345
71414151532413
oct245337570621
963273740162
1022204576145
1194649a4784
124378326555
13212b34c16b
141108dd49b3
1589e58da15
hex52b7ef191

22204576145 has 8 divisors (see below), whose sum is σ = 27082303080. Its totient is φ = 17472453120.

The previous prime is 22204576117. The next prime is 22204576159. The reversal of 22204576145 is 54167540222.

It is a Cunningham number, because it is equal to 1490122+1.

It can be written as a sum of positive squares in 4 ways, for example, as 1 + 22204576144 = 1^2 + 149012^2 .

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

It is not a de Polignac number, because 22204576145 - 210 = 22204575121 is a prime.

It is a super-2 number, since 2×222045761452 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22204576099 and 22204576108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36400640 + ... + 36401249.

It is an arithmetic number, because the mean of its divisors is an integer number (3385287885).

Almost surely, 222204576145 is an apocalyptic number.

It is an amenable number.

22204576145 is a deficient number, since it is larger than the sum of its proper divisors (4877726935).

22204576145 is an equidigital number, since it uses as much as digits as its factorization.

22204576145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72801955.

The product of its (nonzero) digits is 134400, while the sum is 38.

The spelling of 22204576145 in words is "twenty-two billion, two hundred four million, five hundred seventy-six thousand, one hundred forty-five".

Divisors: 1 5 61 305 72801889 364009445 4440915229 22204576145