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200131130210 = 25113168038627
BaseRepresentation
bin1011101001100010111…
…1101011001101100010
3201010120111000210022212
42322120233223031202
511234332032131320
6231534452402122
720313302352554
oct2723057531542
9633514023285
10200131130210
1177969895280
1232953616342
1315b4554220b
1499876974d4
155314c279c5
hex2e98beb362

200131130210 has 64 divisors (see below), whose sum is σ = 405768351744. Its totient is φ = 70408862400.

The previous prime is 200131130209. The next prime is 200131130219. The reversal of 200131130210 is 12031131002.

It is not an unprimeable number, because it can be changed into a prime (200131130219) 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, 23193917 + ... + 23202543.

It is an arithmetic number, because the mean of its divisors is an integer number (6340130496).

Almost surely, 2200131130210 is an apocalyptic number.

200131130210 is an abundant number, since it is smaller than the sum of its proper divisors (205637221534).

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

200131130210 is a wasteful number, since it uses less digits than its factorization.

200131130210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15479.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 200131130210 its reverse (12031131002), we get a palindrome (212162261212).

The spelling of 200131130210 in words is "two hundred billion, one hundred thirty-one million, one hundred thirty thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 31 55 62 110 155 310 341 682 1705 3410 6803 8627 13606 17254 34015 43135 68030 74833 86270 94897 149666 189794 210893 267437 374165 421786 474485 534874 748330 948970 1054465 1337185 2108930 2319823 2674370 2941807 4639646 5883614 11599115 14709035 23198230 29418070 58689481 117378962 293447405 586894810 645584291 1291168582 1819373911 3227921455 3638747822 6455842910 9096869555 18193739110 20013113021 40026226042 100065565105 200131130210