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23226231630 = 2357372989219
BaseRepresentation
bin10101101000011001…
…000010101101001110
32012221200020211001010
4111220121002231032
5340031403403010
614400414430050
71451365466010
oct255031025516
965850224033
1023226231630
119939669658
124602502326
132261bcc134
1411a497c1b0
1590e0eb620
hex568642b4e

23226231630 has 64 divisors (see below), whose sum is σ = 65428047360. Its totient is φ = 5165368704.

The previous prime is 23226231629. The next prime is 23226231647. The reversal of 23226231630 is 3613262232.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1486840 + ... + 1502379.

It is an arithmetic number, because the mean of its divisors is an integer number (1022313240).

Almost surely, 223226231630 is an apocalyptic number.

23226231630 is an abundant number, since it is smaller than the sum of its proper divisors (42201815730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23226231630 is a wasteful number, since it uses less digits than its factorization.

23226231630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989273.

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 23226231630 its reverse (3613262232), we get a palindrome (26839493862).

The spelling of 23226231630 in words is "twenty-three billion, two hundred twenty-six million, two hundred thirty-one thousand, six hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 37 42 70 74 105 111 185 210 222 259 370 518 555 777 1110 1295 1554 2590 3885 7770 2989219 5978438 8967657 14946095 17935314 20924533 29892190 41849066 44838285 62773599 89676570 104622665 110601103 125547198 209245330 221202206 313867995 331803309 553005515 627735990 663606618 774207721 1106011030 1548415442 1659016545 2322623163 3318033090 3871038605 4645246326 7742077210 11613115815 23226231630