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12310120130 = 2571125472657
BaseRepresentation
bin10110111011011110…
…11000011011000010
31011202220122220012012
423131233120123002
5200202342321010
65353304332522
7614025203030
oct133557303302
934686586165
1012310120130
115247818500
122476774142
131212496a69
1484aca7550
154c0acd005
hex2ddbd86c2

12310120130 has 96 divisors (see below), whose sum is σ = 27896496768. Its totient is φ = 3828464640.

The previous prime is 12310120093. The next prime is 12310120139. The reversal of 12310120130 is 3102101321.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is not an unprimeable number, because it can be changed into a prime (12310120139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4631762 + ... + 4634418.

It is an arithmetic number, because the mean of its divisors is an integer number (290588508).

Almost surely, 212310120130 is an apocalyptic number.

12310120130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12310120130 is an abundant number, since it is smaller than the sum of its proper divisors (15586376638).

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

12310120130 is a wasteful number, since it uses less digits than its factorization.

12310120130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240 (or 3229 counting only the distinct ones).

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

Adding to 12310120130 its reverse (3102101321), we get a palindrome (15412221451).

The spelling of 12310120130 in words is "twelve billion, three hundred ten million, one hundred twenty thousand, one hundred thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 110 121 154 242 385 547 605 770 847 1094 1210 1694 2657 2735 3829 4235 5314 5470 6017 7658 8470 12034 13285 18599 19145 26570 29227 30085 37198 38290 42119 58454 60170 66187 84238 92995 132374 146135 185990 204589 210595 292270 321497 330935 409178 421190 463309 642994 661870 926618 1022945 1453379 1607485 2045890 2250479 2316545 2906758 3214970 4500958 4633090 7266895 10173653 11252395 14533790 15987169 20347306 22504790 31974338 50868265 79935845 101736530 111910183 159871690 175858859 223820366 351717718 559550915 879294295 1119101830 1231012013 1758588590 2462024026 6155060065 12310120130