Search a number
-
+
12303013032 = 2332170875181
BaseRepresentation
bin10110111010101000…
…10001010010101000
31011202102021211002100
423131110101102220
5200144032404112
65352452133400
7613610612442
oct133524212250
934672254070
1012303013032
115243803872
122474307260
131210b78b8b
14849d77492
154c01772dc
hex2dd5114a8

12303013032 has 24 divisors (see below), whose sum is σ = 33320660490. Its totient is φ = 4101004320.

The previous prime is 12303012991. The next prime is 12303013061. The reversal of 12303013032 is 23031030321.

It can be written as a sum of positive squares in only one way, i.e., 7085262276 + 5217750756 = 84174^2 + 72234^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12303012996 and 12303013014.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85437519 + ... + 85437662.

Almost surely, 212303013032 is an apocalyptic number.

12303013032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12303013032 is an abundant number, since it is smaller than the sum of its proper divisors (21017647458).

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

12303013032 is a wasteful number, since it uses less digits than its factorization.

12303013032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170875193 (or 170875186 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 12303013032 its reverse (23031030321), we get a palindrome (35334043353).

The spelling of 12303013032 in words is "twelve billion, three hundred three million, thirteen thousand, thirty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 170875181 341750362 512625543 683500724 1025251086 1367001448 1537876629 2050502172 3075753258 4101004344 6151506516 12303013032