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123130020211030 = 25723538317385377
BaseRepresentation
bin11011111111110001110001…
…000111011010100101010110
3121010222010002211000101100001
4123333301301013122211112
5112114330240133223110
61113513052252441514
734635564454044010
oct3377616107324526
9533863084011301
10123130020211030
113626216a463948
121198750a77929a
13539215a089891
14225974bdb31b0
15e37d638a163a
hex6ffc711da956

123130020211030 has 128 divisors (see below), whose sum is σ = 272540417845248. Its totient is φ = 39141296443392.

The previous prime is 123130020210991. The next prime is 123130020211109. The reversal of 123130020211030 is 30112020031321.

It is a super-2 number, since 2×1231300202110302 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123130020210989 and 123130020211007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1610299 + ... + 15775078.

It is an arithmetic number, because the mean of its divisors is an integer number (2129222014416).

Almost surely, 2123130020211030 is an apocalyptic number.

123130020211030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123130020211030 is an abundant number, since it is smaller than the sum of its proper divisors (149410397634218).

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

123130020211030 is a wasteful number, since it uses less digits than its factorization.

123130020211030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17385550.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 123130020211030 its reverse (30112020031321), we get a palindrome (153242040242351).

The spelling of 123130020211030 in words is "one hundred twenty-three trillion, one hundred thirty billion, twenty million, two hundred eleven thousand, thirty".

Divisors: 1 2 5 7 10 14 23 35 46 53 70 83 106 115 161 166 230 265 322 371 415 530 581 742 805 830 1162 1219 1610 1855 1909 2438 2905 3710 3818 4399 5810 6095 8533 8798 9545 12190 13363 17066 19090 21995 26726 30793 42665 43990 61586 66815 85330 101177 133630 153965 202354 307930 505885 708239 1011770 1416478 3541195 7082390 17385377 34770754 86926885 121697639 173853770 243395278 399863671 608488195 799727342 921424981 1216976390 1442986291 1842849962 1999318355 2799045697 2885972582 3998636710 4607124905 5598091394 6449974867 7214931455 9214249810 10100904037 12899949734 13995228485 14429862910 20201808074 21192774563 27990456970 32249874335 33188684693 42385549126 50504520185 64499748670 66377369386 76478273423 101009040370 105963872815 148349421941 152956546846 165943423465 211927745630 232320792851 296698843882 331886846930 382391367115 464641585702 535347913961 741747109705 764782734230 1070695827922 1161603964255 1483494219410 1759000288729 2323207928510 2676739569805 3518000577458 5353479139610 8795001443645 12313002021103 17590002887290 24626004042206 61565010105515 123130020211030