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23130202122 = 2328364723929
BaseRepresentation
bin10101100010101010…
…101110000000001010
32012200222120000022200
4111202222232000022
5334332312431442
614343104301030
71446121321416
oct254252560012
965628500280
1023130202122
11989a43a225
124596311776
132248048941
141195d01d46
1590597d34c
hex562aae00a

23130202122 has 48 divisors (see below), whose sum is σ = 50799752640. Its totient is φ = 7605084096.

The previous prime is 23130202063. The next prime is 23130202141. The reversal of 23130202122 is 22120203132.

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

It is a junction number, because it is equal to n+sod(n) for n = 23130202095 and 23130202104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 954654 + ... + 978582.

It is an arithmetic number, because the mean of its divisors is an integer number (1058328180).

Almost surely, 223130202122 is an apocalyptic number.

23130202122 is an abundant number, since it is smaller than the sum of its proper divisors (27669550518).

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

23130202122 is a wasteful number, since it uses less digits than its factorization.

23130202122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24667 (or 24664 counting only the distinct ones).

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

Adding to 23130202122 its reverse (22120203132), we get a palindrome (45250405254).

The spelling of 23130202122 in words is "twenty-three billion, one hundred thirty million, two hundred two thousand, one hundred twenty-two".

Divisors: 1 2 3 6 9 18 83 166 249 498 647 747 1294 1494 1941 3882 5823 11646 23929 47858 53701 71787 107402 143574 161103 215361 322206 430722 483309 966618 1986107 3972214 5958321 11916642 15482063 17874963 30964126 35749926 46446189 92892378 139338567 278677134 1285011229 2570022458 3855033687 7710067374 11565101061 23130202122