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23202221130 = 23251177330319
BaseRepresentation
bin10101100110111101…
…011100110001001010
32012220000001221211100
4111212331130301022
5340004232034010
614354200042230
71450654424364
oct254675346112
965800057740
1023202221130
11992705a170
1245b6463376
132259c4343a
1411a16cbd34
1590be572c0
hex566f5cc4a

23202221130 has 96 divisors (see below), whose sum is σ = 65897245440. Its totient is φ = 5617319040.

The previous prime is 23202221117. The next prime is 23202221143. The reversal of 23202221130 is 3112220232.

It is an interprime number because it is at equal distance from previous prime (23202221117) and next prime (23202221143).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 750111 + ... + 780429.

It is an arithmetic number, because the mean of its divisors is an integer number (686429640).

Almost surely, 223202221130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23202221130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32948622720).

23202221130 is an abundant number, since it is smaller than the sum of its proper divisors (42695024310).

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

23202221130 is a wasteful number, since it uses less digits than its factorization.

23202221130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31116 (or 31113 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 23202221130 its reverse (3112220232), we get a palindrome (26314441362).

The spelling of 23202221130 in words is "twenty-three billion, two hundred two million, two hundred twenty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 330 495 773 990 1546 2319 3865 4638 6957 7730 8503 11595 13914 17006 23190 25509 30319 34785 42515 51018 60638 69570 76527 85030 90957 127545 151595 153054 181914 255090 272871 303190 333509 382635 454785 545742 667018 765270 909570 1000527 1364355 1667545 2001054 2728710 3001581 3335090 5002635 6003162 10005270 15007905 23436587 30015810 46873174 70309761 117182935 140619522 210929283 234365870 257802457 351548805 421858566 515604914 703097610 773407371 1054646415 1289012285 1546814742 2109292830 2320222113 2578024570 3867036855 4640444226 7734073710 11601110565 23202221130