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12310203030 = 2351737652369
BaseRepresentation
bin10110111011011111…
…01100101010010110
31011202220211002220120
423131233230222112
5200202402444110
65353310212410
7614025666516
oct133557545226
934686732816
1012310203030
115247874814
1224767b4106
1312124c5708
1484acc9846
154c0ae7870
hex2ddbeca96

12310203030 has 64 divisors (see below), whose sum is σ = 32127917760. Its totient is φ = 3006111744.

The previous prime is 12310203029. The next prime is 12310203041. The reversal of 12310203030 is 3030201321.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 307315 + ... + 345054.

It is an arithmetic number, because the mean of its divisors is an integer number (501998715).

Almost surely, 212310203030 is an apocalyptic number.

12310203030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12310203030 is an abundant number, since it is smaller than the sum of its proper divisors (19817714730).

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

12310203030 is a wasteful number, since it uses less digits than its factorization.

12310203030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652433.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 12310203030 its reverse (3030201321), we get a palindrome (15340404351).

The spelling of 12310203030 in words is "twelve billion, three hundred ten million, two hundred three thousand, thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 37 51 74 85 102 111 170 185 222 255 370 510 555 629 1110 1258 1887 3145 3774 6290 9435 18870 652369 1304738 1957107 3261845 3914214 6523690 9785535 11090273 19571070 22180546 24137653 33270819 48275306 55451365 66541638 72412959 110902730 120688265 144825918 166354095 241376530 332708190 362064795 410340101 724129590 820680202 1231020303 2051700505 2462040606 4103401010 6155101515 12310203030