Search a number
-
+
123012320003351 = 6143131601148061
BaseRepresentation
bin11011111110000100001001…
…101000110000010100010111
3121010112212022002022022210222
4123332010021220300110113
5112110413212410101401
61113343025112504555
734624226651556332
oct3376041150602427
9533485262268728
10123012320003351
1136217260798839
12119687410ab15b
1353840204a3c8c
142253b84283619
15e34c7577ac1b
hex6fe109a30517

123012320003351 has 16 divisors (see below), whose sum is σ = 125323817798016. Its totient is φ = 120710356800000.

The previous prime is 123012320003327. The next prime is 123012320003399. The reversal of 123012320003351 is 153300023210321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123012320003351 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 123012320003351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123012320603351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 830747861 + ... + 830895921.

It is an arithmetic number, because the mean of its divisors is an integer number (7832738612376).

Almost surely, 2123012320003351 is an apocalyptic number.

123012320003351 is a deficient number, since it is larger than the sum of its proper divisors (2311497794665).

123012320003351 is a wasteful number, since it uses less digits than its factorization.

123012320003351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180154.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 123012320003351 its reverse (153300023210321), we get a palindrome (276312343213672).

The spelling of 123012320003351 in words is "one hundred twenty-three trillion, twelve billion, three hundred twenty million, three thousand, three hundred fifty-one".

Divisors: 1 61 431 26291 31601 148061 1927661 9031721 13620031 63814291 830821891 3892671751 4678875661 285411415321 2016595409891 123012320003351