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23532828641 = 72937751217
BaseRepresentation
bin10101111010101010…
…100111011111100001
32020202001011120001222
4111322222213133201
5341143401004031
614451050104425
71462110512600
oct257252473741
966661146058
1023532828641
119a86739513
12468911b115
1322b059989a
1411d358ba37
1592aeaee7b
hex57aaa77e1

23532828641 has 12 divisors (see below), whose sum is σ = 27378377028. Its totient is φ = 20168451072.

The previous prime is 23532828637. The next prime is 23532828643. The reversal of 23532828641 is 14682823532.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4954048225 + 18578780416 = 70385^2 + 136304^2 .

It is not a de Polignac number, because 23532828641 - 22 = 23532828637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23532828592 and 23532828601.

It is not an unprimeable number, because it can be changed into a prime (23532828643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 433865 + ... + 485081.

It is an arithmetic number, because the mean of its divisors is an integer number (2281531419).

Almost surely, 223532828641 is an apocalyptic number.

It is an amenable number.

23532828641 is a deficient number, since it is larger than the sum of its proper divisors (3845548387).

23532828641 is an equidigital number, since it uses as much as digits as its factorization.

23532828641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60608 (or 60601 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The spelling of 23532828641 in words is "twenty-three billion, five hundred thirty-two million, eight hundred twenty-eight thousand, six hundred forty-one".

Divisors: 1 7 49 9377 51217 65639 358519 459473 2509633 480261809 3361832663 23532828641