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23221302130 = 2513178625401
BaseRepresentation
bin10101101000000110…
…001111001101110010
32012221022222101001001
4111220012033031302
5340024123132010
614400121032214
71451305545205
oct255006171562
965838871031
1023221302130
119936901a94
12460092566a
132260b94480
1411a405793c
1590d975c3a
hex56818f372

23221302130 has 16 divisors (see below), whose sum is σ = 45013601304. Its totient is φ = 8574019200.

The previous prime is 23221302119. The next prime is 23221302149. The reversal of 23221302130 is 3120312232.

It can be written as a sum of positive squares in 4 ways, for example, as 6661987641 + 16559314489 = 81621^2 + 128683^2 .

It is a super-2 number, since 2×232213021302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 23221302098 and 23221302107.

It is an unprimeable number.

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, 89312571 + ... + 89312830.

Almost surely, 223221302130 is an apocalyptic number.

23221302130 is a deficient number, since it is larger than the sum of its proper divisors (21792299174).

23221302130 is a wasteful number, since it uses less digits than its factorization.

23221302130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178625421.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23221302130 its reverse (3120312232), we get a palindrome (26341614362).

The spelling of 23221302130 in words is "twenty-three billion, two hundred twenty-one million, three hundred two thousand, one hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 178625401 357250802 893127005 1786254010 2322130213 4644260426 11610651065 23221302130