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23256284237 = 27185816547
BaseRepresentation
bin10101101010001011…
…101011110001001101
32020000202210122110122
4111222023223301031
5340112102043422
614403410514325
71452212103644
oct255213536115
966022718418
1023256284237
11995462561a
1246105959a5
1322681c2044
1411a896235b
15911a85d42
hex56a2ebc4d

23256284237 has 4 divisors (see below), whose sum is σ = 23342101056. Its totient is φ = 23170467420.

The previous prime is 23256284209. The next prime is 23256284279. The reversal of 23256284237 is 73248265232.

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 23256284237 - 216 = 23256218701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23256254237) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 42908003 + ... + 42908544.

It is an arithmetic number, because the mean of its divisors is an integer number (5835525264).

Almost surely, 223256284237 is an apocalyptic number.

It is an amenable number.

23256284237 is a deficient number, since it is larger than the sum of its proper divisors (85816819).

23256284237 is an equidigital number, since it uses as much as digits as its factorization.

23256284237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85816818.

The product of its digits is 967680, while the sum is 44.

The spelling of 23256284237 in words is "twenty-three billion, two hundred fifty-six million, two hundred eighty-four thousand, two hundred thirty-seven".

Divisors: 1 271 85816547 23256284237