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22500230421 = 39901757507
BaseRepresentation
bin10100111101000111…
…100100010100010101
32011002002011010121110
4110331013210110111
5332040024333141
614200402005233
71424401542264
oct247507442425
964062133543
1022500230421
1195a6880159
12443b346819
132177687c16
1411363965db
158ba4dee16
hex53d1e4515

22500230421 has 8 divisors (see below), whose sum is σ = 30003376864. Its totient is φ = 14998618800.

The previous prime is 22500230399. The next prime is 22500230443. The reversal of 22500230421 is 12403200522.

It is an interprime number because it is at equal distance from previous prime (22500230399) and next prime (22500230443).

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

It is not a de Polignac number, because 22500230421 - 210 = 22500229397 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 (22500230461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349051 + ... + 408456.

It is an arithmetic number, because the mean of its divisors is an integer number (3750422108).

Almost surely, 222500230421 is an apocalyptic number.

It is an amenable number.

22500230421 is a deficient number, since it is larger than the sum of its proper divisors (7503146443).

22500230421 is an equidigital number, since it uses as much as digits as its factorization.

22500230421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767411.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 22500230421 its reverse (12403200522), we get a palindrome (34903430943).

The spelling of 22500230421 in words is "twenty-two billion, five hundred million, two hundred thirty thousand, four hundred twenty-one".

Divisors: 1 3 9901 29703 757507 2272521 7500076807 22500230421