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23084851969 = 1519372
BaseRepresentation
bin10101011111111101…
…101110001100000001
32012120211012222121101
4111133331232030001
5334234210230334
614334404254401
71445031001264
oct253775561401
965524188541
1023084851969
119876884a63
1245830a1401
13223b82ab2a
14118dc98cdb
159019c1214
hex55ff6e301

23084851969 has 3 divisors (see below), whose sum is σ = 23085003907. Its totient is φ = 23084700032.

The previous prime is 23084851949. The next prime is 23084851981. The reversal of 23084851969 is 96915848032.

The square root of 23084851969 is 151937.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2661012225 + 20423839744 = 51585^2 + 142912^2 .

It is not a de Polignac number, because 23084851969 - 27 = 23084851841 is a prime.

It is a super-2 number, since 2×230848519692 (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 (23084851949) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 75969 + ... + 227905.

Almost surely, 223084851969 is an apocalyptic number.

23084851969 is the 151937-th square number.

23084851969 is the 75969-th centered octagonal number.

It is an amenable number.

23084851969 is a deficient number, since it is larger than the sum of its proper divisors (151938).

23084851969 is an frugal number, since it uses more digits than its factorization.

23084851969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303874 (or 151937 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 23084851969 in words is "twenty-three billion, eighty-four million, eight hundred fifty-one thousand, nine hundred sixty-nine".

Divisors: 1 151937 23084851969