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123113320111210 = 25111326622556219
BaseRepresentation
bin11011111111100010001101…
…101101100101110001101010
3121010220111222221211102010111
4123333202031231211301222
5112114042034422024320
61113501251203404534
734634433561405232
oct3377421555456152
9533814887742114
10123113320111210
113625607a710760
121198422998374a
1353906c825aa00
142258a0607ccc2
15e376d76b8a5a
hex6ff88db65c6a

123113320111210 has 48 divisors (see below), whose sum is σ = 261776402264160. Its totient is φ = 41324750800320.

The previous prime is 123113320111193. The next prime is 123113320111259. The reversal of 123113320111210 is 12111023311321.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3311259520 + ... + 3311296699.

It is an arithmetic number, because the mean of its divisors is an integer number (5453675047170).

Almost surely, 2123113320111210 is an apocalyptic number.

123113320111210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123113320111210 is an abundant number, since it is smaller than the sum of its proper divisors (138663082152950).

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

123113320111210 is a wasteful number, since it uses less digits than its factorization.

123113320111210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6622556263 (or 6622556250 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 123113320111210 its reverse (12111023311321), we get a palindrome (135224343422531).

The spelling of 123113320111210 in words is "one hundred twenty-three trillion, one hundred thirteen billion, three hundred twenty million, one hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 169 286 338 715 845 1430 1690 1859 3718 9295 18590 6622556219 13245112438 33112781095 66225562190 72848118409 86093230847 145696236818 172186461694 364240592045 430466154235 728481184090 860932308470 947025539317 1119212001011 1894051078634 2238424002022 4735127696585 5596060005055 9470255393170 11192120010110 12311332011121 24622664022242 61556660055605 123113320111210