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23042918773 = 73291845539
BaseRepresentation
bin10101011101011101…
…110000100101110101
32012110220022120002001
4111131131300211311
5334142441400043
614330305415301
71444011402130
oct253535604565
965426276061
1023042918773
119855143a26
12457103a531
132232c383a4
1411884a1217
158ece8b74d
hex55d770975

23042918773 has 4 divisors (see below), whose sum is σ = 26334764320. Its totient is φ = 19751073228.

The previous prime is 23042918747. The next prime is 23042918783. The reversal of 23042918773 is 37781924032.

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 23042918773 - 221 = 23040821621 is a prime.

It is a super-2 number, since 2×230429187732 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23042918783) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1645922763 + ... + 1645922776.

It is an arithmetic number, because the mean of its divisors is an integer number (6583691080).

Almost surely, 223042918773 is an apocalyptic number.

It is an amenable number.

23042918773 is a deficient number, since it is larger than the sum of its proper divisors (3291845547).

23042918773 is an equidigital number, since it uses as much as digits as its factorization.

23042918773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3291845546.

The product of its (nonzero) digits is 508032, while the sum is 46.

The spelling of 23042918773 in words is "twenty-three billion, forty-two million, nine hundred eighteen thousand, seven hundred seventy-three".

Divisors: 1 7 3291845539 23042918773