Search a number
-
+
123110020302312 = 233171993151400023
BaseRepresentation
bin11011111111011111001001…
…000001110100010111101000
3121010220012110222122202022010
4123333133021001310113220
5112114013310144133222
61113455543525155520
734634256032450151
oct3377371101642750
9533805428582263
10123110020302312
1136254736a9746a
121198366885bba0
1353902c0714674
1422587b1b12928
15e37592b5280c
hex6ff7c90745e8

123110020302312 has 64 divisors (see below), whose sum is σ = 326042979684480. Its totient is φ = 38603372009472.

The previous prime is 123110020302289. The next prime is 123110020302337. The reversal of 123110020302312 is 213203020011321.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74886868 + ... + 76513155.

It is an arithmetic number, because the mean of its divisors is an integer number (5094421557570).

Almost surely, 2123110020302312 is an apocalyptic number.

123110020302312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123110020302312 is an abundant number, since it is smaller than the sum of its proper divisors (202932959382168).

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

123110020302312 is a wasteful number, since it uses less digits than its factorization.

123110020302312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151402042 (or 151402038 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 123110020302312 its reverse (213203020011321), we get a palindrome (336313040313633).

The spelling of 123110020302312 in words is "one hundred twenty-three trillion, one hundred ten billion, twenty million, three hundred two thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 1993 3986 5979 7972 11958 15944 23916 33881 47832 67762 101643 135524 203286 271048 406572 813144 151400023 302800046 454200069 605600092 908400138 1211200184 1816800276 2573800391 3633600552 5147600782 7721401173 10295201564 15442802346 20590403128 30885604692 61771209384 301740245839 603480491678 905220737517 1206960983356 1810441475034 2413921966712 3620882950068 5129584179263 7241765900136 10259168358526 15388752537789 20518336717052 30777505075578 41036673434104 61555010151156 123110020302312