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123031013330033 = 1151910680702607
BaseRepresentation
bin11011111110010101100011…
…110110001000110001110001
3121010121122112212002201020122
4123332111203312020301301
5112111220003403030113
61113355400043420025
734625461126330124
oct3376254366106161
9533548485081218
10123031013330033
1136224183681856
1211970299524615
135385a0c248323
142254a38bcc3bb
15e354bb939408
hex6fe563d88c71

123031013330033 has 4 divisors (see below), whose sum is σ = 123041694044160. Its totient is φ = 123020332615908.

The previous prime is 123031013329967. The next prime is 123031013330087. The reversal of 123031013330033 is 330033310130321.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-123031013330033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123031013329984 and 123031013330011.

It is not an unprimeable number, because it can be changed into a prime (123031013360033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5340339785 + ... + 5340362822.

It is an arithmetic number, because the mean of its divisors is an integer number (30760423511040).

Almost surely, 2123031013330033 is an apocalyptic number.

It is an amenable number.

123031013330033 is a deficient number, since it is larger than the sum of its proper divisors (10680714127).

123031013330033 is a wasteful number, since it uses less digits than its factorization.

123031013330033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10680714126.

The product of its (nonzero) digits is 4374, while the sum is 26.

Adding to 123031013330033 its reverse (330033310130321), we get a palindrome (453064323460354).

The spelling of 123031013330033 in words is "one hundred twenty-three trillion, thirty-one billion, thirteen million, three hundred thirty thousand, thirty-three".

Divisors: 1 11519 10680702607 123031013330033