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130143210 = 23528315329
BaseRepresentation
bin1111100000111…
…01001111101010
3100001212221220220
413300131033222
5231304040320
620525230510
73140125161
oct760351752
9301787826
10130143210
116750a57a
1237702436
1320c68a22
14133da3d8
15b65ae40
hex7c1d3ea

130143210 has 32 divisors (see below), whose sum is σ = 313467840. Its totient is φ = 34579968.

The previous prime is 130143191. The next prime is 130143259. The reversal of 130143210 is 12341031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 130143210.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826 + ... + 16154.

It is an arithmetic number, because the mean of its divisors is an integer number (9795870).

Almost surely, 2130143210 is an apocalyptic number.

130143210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

130143210 is an abundant number, since it is smaller than the sum of its proper divisors (183324630).

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

130143210 is a wasteful number, since it uses less digits than its factorization.

130143210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15622.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 130143210 is about 11408.0326963066. The cubic root of 130143210 is about 506.7656523092.

Adding to 130143210 its reverse (12341031), we get a palindrome (142484241).

The spelling of 130143210 in words is "one hundred thirty million, one hundred forty-three thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 283 566 849 1415 1698 2830 4245 8490 15329 30658 45987 76645 91974 153290 229935 459870 4338107 8676214 13014321 21690535 26028642 43381070 65071605 130143210