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123130033111 = 1078623133451
BaseRepresentation
bin111001010101100011…
…1110011001111010111
3102202211010212202201201
41302223013303033113
54004132242024421
6132322023533331
711616164004241
oct1625307631727
9382733782651
10123130033111
114824576a348
121ba43bba247
13b7c37c9477
145d60d1b091
153309b82b91
hex1cab1f33d7

123130033111 has 8 divisors (see below), whose sum is σ = 124296125184. Its totient is φ = 121964225400.

The previous prime is 123130033109. The next prime is 123130033141. The reversal of 123130033111 is 111330031321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 123130033111 - 21 = 123130033109 is a prime.

It is a super-2 number, since 2×1231300331112 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123130033141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855936 + ... + 989386.

It is an arithmetic number, because the mean of its divisors is an integer number (15537015648).

Almost surely, 2123130033111 is an apocalyptic number.

123130033111 is a deficient number, since it is larger than the sum of its proper divisors (1166092073).

123130033111 is a wasteful number, since it uses less digits than its factorization.

123130033111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142181.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 123130033111 its reverse (111330031321), we get a palindrome (234460064432).

The spelling of 123130033111 in words is "one hundred twenty-three billion, one hundred thirty million, thirty-three thousand, one hundred eleven".

Divisors: 1 107 8623 133451 922661 14279257 1150747973 123130033111