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23030321994 = 2321291991063
BaseRepresentation
bin10101011100101101…
…101101001101001010
32012110000121120112200
4111130231231031022
5334131230300434
614325135421030
71443466335621
oct253455551512
965400546480
1023030321994
11984901a869
124568984776
132230447884
1411869426b8
158ebcee199
hex55cb6d34a

23030321994 has 24 divisors (see below), whose sum is σ = 49937732832. Its totient is φ = 7670819880.

The previous prime is 23030321989. The next prime is 23030322037. The reversal of 23030321994 is 49912303032.

It is a super-2 number, since 2×230303219942 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 472294 + ... + 518769.

It is an arithmetic number, because the mean of its divisors is an integer number (2080738868).

Almost surely, 223030321994 is an apocalyptic number.

23030321994 is an abundant number, since it is smaller than the sum of its proper divisors (26907410838).

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

23030321994 is a wasteful number, since it uses less digits than its factorization.

23030321994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992362 (or 992359 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The spelling of 23030321994 in words is "twenty-three billion, thirty million, three hundred twenty-one thousand, nine hundred ninety-four".

Divisors: 1 2 3 6 9 18 1291 2582 3873 7746 11619 23238 991063 1982126 2973189 5946378 8919567 17839134 1279462333 2558924666 3838386999 7676773998 11515160997 23030321994