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123255513011330 = 2572309762578191
BaseRepresentation
bin11100000001100110101001…
…000100011101010010000010
3121011102010000121212011022122
4130001212221010131102002
5112123404242312330310
61114050445003004242
734650626341203320
oct3401465104352202
9534363017764278
10123255513011330
1136300407915147
12119a78b1b09682
1353a0c3923682b
142261854a1ad10
15e3b25aba3555
hex7019a911d482

123255513011330 has 32 divisors (see below), whose sum is σ = 253664009786880. Its totient is φ = 42240731100480.

The previous prime is 123255513011321. The next prime is 123255513011387. The reversal of 123255513011330 is 33110315552321.

It is a super-2 number, since 2×1232555130113302 (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 381127466 + ... + 381450725.

It is an arithmetic number, because the mean of its divisors is an integer number (7927000305840).

Almost surely, 2123255513011330 is an apocalyptic number.

123255513011330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123255513011330 is an abundant number, since it is smaller than the sum of its proper divisors (130408496775550).

123255513011330 is a wasteful number, since it uses less digits than its factorization.

123255513011330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762580514.

The product of its (nonzero) digits is 40500, while the sum is 35.

Adding to 123255513011330 its reverse (33110315552321), we get a palindrome (156365828563651).

The spelling of 123255513011330 in words is "one hundred twenty-three trillion, two hundred fifty-five billion, five hundred thirteen million, eleven thousand, three hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 2309 4618 11545 16163 23090 32326 80815 161630 762578191 1525156382 3812890955 5338047337 7625781910 10676094674 26690236685 53380473370 1760793043019 3521586086038 8803965215095 12325551301133 17607930430190 24651102602266 61627756505665 123255513011330