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21828010753 = 60773948661
BaseRepresentation
bin10100010101000011…
…010000001100000001
32002100020020211120201
4110111003100030001
5324200432321003
614005550005201
71401630013213
oct242503201401
962306224521
1021828010753
11929138560a
1242921a6801
13209b3243c3
1410b0db05b3
1587b4a8b1d
hex5150d0301

21828010753 has 8 divisors (see below), whose sum is σ = 21894007040. Its totient is φ = 21762114480.

The previous prime is 21828010709. The next prime is 21828010759. The reversal of 21828010753 is 35701082812.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-21828010753 is a prime.

It is a super-3 number, since 3×218280107533 (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21828010759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424243 + ... + 472903.

It is an arithmetic number, because the mean of its divisors is an integer number (2736750880).

Almost surely, 221828010753 is an apocalyptic number.

It is an amenable number.

21828010753 is a deficient number, since it is larger than the sum of its proper divisors (65996287).

21828010753 is an equidigital number, since it uses as much as digits as its factorization.

21828010753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50007.

The product of its (nonzero) digits is 26880, while the sum is 37.

The spelling of 21828010753 in words is "twenty-one billion, eight hundred twenty-eight million, ten thousand, seven hundred fifty-three".

Divisors: 1 607 739 48661 448573 29537227 35960479 21828010753