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130120431100 = 2252111011171201
BaseRepresentation
bin111100100101111001…
…0000011010111111100
3110102212022112210000221
41321023302003113330
54112441312243400
6135435420231124
712254335262302
oct1711362032774
9412768483027
10130120431100
1150202655870
122127509b4a4
13c368b1ca3a
146425498272
1535b8701c1a
hex1e4bc835fc

130120431100 has 72 divisors (see below), whose sum is σ = 311080620816. Its totient is φ = 46848000000.

The previous prime is 130120431061. The next prime is 130120431101. The reversal of 130120431100 is 1134021031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130120431101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 474501 + ... + 696700.

It is an arithmetic number, because the mean of its divisors is an integer number (4320564178).

Almost surely, 2130120431100 is an apocalyptic number.

130120431100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130120431100 is an abundant number, since it is smaller than the sum of its proper divisors (180960189716).

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

130120431100 is a wasteful number, since it uses less digits than its factorization.

130120431100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171327 (or 1171320 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 130120431100 its reverse (1134021031), we get a palindrome (131254452131).

The spelling of 130120431100 in words is "one hundred thirty billion, one hundred twenty million, four hundred thirty-one thousand, one hundred".

Divisors: 1 2 4 5 10 11 20 22 25 44 50 55 100 101 110 202 220 275 404 505 550 1010 1100 1111 2020 2222 2525 4444 5050 5555 10100 11110 22220 27775 55550 111100 1171201 2342402 4684804 5856005 11712010 12883211 23424020 25766422 29280025 51532844 58560050 64416055 117120100 118291301 128832110 236582602 257664220 322080275 473165204 591456505 644160550 1182913010 1288321100 1301204311 2365826020 2602408622 2957282525 5204817244 5914565050 6506021555 11829130100 13012043110 26024086220 32530107775 65060215550 130120431100