Search a number
-
+
12312330230330 = 251394710232541
BaseRepresentation
bin1011001100101011000000…
…0100011101101000111010
31121121001021110111201201222
42303022300010131220322
53103211123014332310
642104112330512042
72410352010116264
oct263126004355072
947531243451658
1012312330230330
113a176a24846a9
12146a266595622
136b4080c06870
14307cc4540b34
15165412d31055
hexb32b011da3a

12312330230330 has 16 divisors (see below), whose sum is σ = 23866978600584. Its totient is φ = 4546091161920.

The previous prime is 12312330230297. The next prime is 12312330230371. The reversal of 12312330230330 is 3303203321321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4170421549921 + 8141908680409 = 2042161^2 + 2853403^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12312330230330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47355116141 + ... + 47355116400.

Almost surely, 212312330230330 is an apocalyptic number.

12312330230330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12312330230330 is a deficient number, since it is larger than the sum of its proper divisors (11554648370254).

12312330230330 is a wasteful number, since it uses less digits than its factorization.

12312330230330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94710232561.

The product of its (nonzero) digits is 5832, while the sum is 26.

Adding to 12312330230330 its reverse (3303203321321), we get a palindrome (15615533551651).

The spelling of 12312330230330 in words is "twelve trillion, three hundred twelve billion, three hundred thirty million, two hundred thirty thousand, three hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 94710232541 189420465082 473551162705 947102325410 1231233023033 2462466046066 6156165115165 12312330230330