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23033254433 = 72470066417
BaseRepresentation
bin10101011100111000…
…111001001000100001
32012110020010120002112
4111130320321020201
5334133003120213
614325322325105
71443533301200
oct253470711041
965406116075
1023033254433
11984a742a72
124569959795
132230c33547
1411870a7237
158ec1ccea8
hex55ce39221

23033254433 has 6 divisors (see below), whose sum is σ = 26793785826. Its totient is φ = 19742789472.

The previous prime is 23033254429. The next prime is 23033254477. The reversal of 23033254433 is 33445233032.

It can be written as a sum of positive squares in only one way, i.e., 21958201489 + 1075052944 = 148183^2 + 32788^2 .

It is not a de Polignac number, because 23033254433 - 22 = 23033254429 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 23033254433.

It is not an unprimeable number, because it can be changed into a prime (23033254033) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235033160 + ... + 235033257.

It is an arithmetic number, because the mean of its divisors is an integer number (4465630971).

Almost surely, 223033254433 is an apocalyptic number.

It is an amenable number.

23033254433 is a deficient number, since it is larger than the sum of its proper divisors (3760531393).

23033254433 is an equidigital number, since it uses as much as digits as its factorization.

23033254433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470066431 (or 470066424 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 32.

Adding to 23033254433 its reverse (33445233032), we get a palindrome (56478487465).

The spelling of 23033254433 in words is "twenty-three billion, thirty-three million, two hundred fifty-four thousand, four hundred thirty-three".

Divisors: 1 7 49 470066417 3290464919 23033254433