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22955716081 = 208311020507
BaseRepresentation
bin10101011000010001…
…000110110111110001
32012020211020012110201
4111120101012313301
5334003130403311
614313512355201
71441602236644
oct253021066761
965224205421
1022955716081
11980a9a3291
1245479a5b01
13221ab5576c
14117aa81a5b
158e54b39c1
hex558446df1

22955716081 has 4 divisors (see below), whose sum is σ = 22966738672. Its totient is φ = 22944693492.

The previous prime is 22955716073. The next prime is 22955716087. The reversal of 22955716081 is 18061755922.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22955716081 - 23 = 22955716073 is a prime.

It is a super-2 number, since 2×229557160812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22955716087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5508171 + ... + 5512336.

It is an arithmetic number, because the mean of its divisors is an integer number (5741684668).

Almost surely, 222955716081 is an apocalyptic number.

It is an amenable number.

22955716081 is a deficient number, since it is larger than the sum of its proper divisors (11022591).

22955716081 is a wasteful number, since it uses less digits than its factorization.

22955716081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11022590.

The product of its (nonzero) digits is 302400, while the sum is 46.

The spelling of 22955716081 in words is "twenty-two billion, nine hundred fifty-five million, seven hundred sixteen thousand, eighty-one".

Divisors: 1 2083 11020507 22955716081