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23088297493 = 43536937151
BaseRepresentation
bin10101100000001010…
…110111011000010101
32012121001201000222101
4111200022313120111
5334241101004433
614335010202101
71445102201452
oct254012673025
965531630871
1023088297493
1198788186a8
124584283331
13223c4661c1
141190514829
15901e5207d
hex5602b7615

23088297493 has 4 divisors (see below), whose sum is σ = 23625234688. Its totient is φ = 22551360300.

The previous prime is 23088297473. The next prime is 23088297559. The reversal of 23088297493 is 39479288032.

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 23088297493 - 25 = 23088297461 is a prime.

It is a super-2 number, since 2×230882974932 (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 (23088297413) 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, 268468533 + ... + 268468618.

It is an arithmetic number, because the mean of its divisors is an integer number (5906308672).

Almost surely, 223088297493 is an apocalyptic number.

It is an amenable number.

23088297493 is a deficient number, since it is larger than the sum of its proper divisors (536937195).

23088297493 is an equidigital number, since it uses as much as digits as its factorization.

23088297493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536937194.

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 23088297493 in words is "twenty-three billion, eighty-eight million, two hundred ninety-seven thousand, four hundred ninety-three".

Divisors: 1 43 536937151 23088297493