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22031153069 = 92951237019
BaseRepresentation
bin10100100001001010…
…001011011110101101
32002212101111112110012
4110201022023132231
5330104433344234
614042044023005
71406644465652
oct244112133655
962771445405
1022031153069
119386014422
12432a231a65
13210143ba63
1410cdd6dc29
1588e2340ce
hex52128b7ad

22031153069 has 4 divisors (see below), whose sum is σ = 22031483040. Its totient is φ = 22030823100.

The previous prime is 22031153063. The next prime is 22031153117. The reversal of 22031153069 is 96035113022.

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 a de Polignac number, because none of the positive numbers 2k-22031153069 is a prime.

It is a super-2 number, since 2×220311530692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22031153063) 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, 25559 + ... + 211460.

It is an arithmetic number, because the mean of its divisors is an integer number (5507870760).

Almost surely, 222031153069 is an apocalyptic number.

It is an amenable number.

22031153069 is a deficient number, since it is larger than the sum of its proper divisors (329971).

22031153069 is an equidigital number, since it uses as much as digits as its factorization.

22031153069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329970.

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 22031153069 in words is "twenty-two billion, thirty-one million, one hundred fifty-three thousand, sixty-nine".

Divisors: 1 92951 237019 22031153069