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213013022130 = 23352243351733
BaseRepresentation
bin1100011001100010010…
…0001100010110110010
3202100211020120200222000
43012120210030112302
511442222313202010
6241505024154430
721250442546016
oct3063044142662
9670736520860
10213013022130
118237a330347
1235349768a16
131711930017c
14a44a47a546
15581aae97c0
hex319890c5b2

213013022130 has 64 divisors (see below), whose sum is σ = 568289589120. Its totient is φ = 56777986368.

The previous prime is 213013022111. The next prime is 213013022137. The reversal of 213013022130 is 31220310312.

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

It is not an unprimeable number, because it can be changed into a prime (213013022137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429744 + ... + 781476.

It is an arithmetic number, because the mean of its divisors is an integer number (8879524830).

Almost surely, 2213013022130 is an apocalyptic number.

213013022130 is an abundant number, since it is smaller than the sum of its proper divisors (355276566990).

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

213013022130 is a wasteful number, since it uses less digits than its factorization.

213013022130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353992 (or 353986 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 213013022130 its reverse (31220310312), we get a palindrome (244233332442).

The spelling of 213013022130 in words is "two hundred thirteen billion, thirteen million, twenty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 90 135 270 2243 4486 6729 11215 13458 20187 22430 33645 40374 60561 67290 100935 121122 201870 302805 351733 605610 703466 1055199 1758665 2110398 3165597 3517330 5275995 6331194 9496791 10551990 15827985 18993582 31655970 47483955 94967910 788937119 1577874238 2366811357 3944685595 4733622714 7100434071 7889371190 11834056785 14200868142 21301302213 23668113570 35502170355 42602604426 71004340710 106506511065 213013022130