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12300031310 = 257237639771
BaseRepresentation
bin10110111010010001…
…11001010101001110
31011202012200022221012
423131020321111032
5200142302000220
65352304205222
7613543353410
oct133510712516
934665608835
1012300031310
115242057636
122473309812
131210373948
148497dc9b0
154bec88ac5
hex2dd23954e

12300031310 has 32 divisors (see below), whose sum is σ = 26403052032. Its totient is φ = 4033798560.

The previous prime is 12300031309. The next prime is 12300031351. The reversal of 12300031310 is 1313000321.

It is a super-2 number, since 2×123000313102 (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

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, 3818276 + ... + 3821495.

It is an arithmetic number, because the mean of its divisors is an integer number (825095376).

Almost surely, 212300031310 is an apocalyptic number.

12300031310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12300031310 is an abundant number, since it is smaller than the sum of its proper divisors (14103020722).

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

12300031310 is a wasteful number, since it uses less digits than its factorization.

12300031310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7639808.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 12300031310 its reverse (1313000321), we get a palindrome (13613031631).

The spelling of 12300031310 in words is "twelve billion, three hundred million, thirty-one thousand, three hundred ten".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 230 322 805 1610 7639771 15279542 38198855 53478397 76397710 106956794 175714733 267391985 351429466 534783970 878573665 1230003131 1757147330 2460006262 6150015655 12300031310