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123103113232 = 24111326752721
BaseRepresentation
bin111001010100110000…
…1000111000000010000
3102202202021020002121011
41302221201013000100
54004103344110412
6132315222540304
711615416124521
oct1625141070020
9382667202534
10123103113232
1148231553010
121ba36b97694
13b7bb062448
145d5b510848
1533076167a7
hex1ca9847010

123103113232 has 40 divisors (see below), whose sum is σ = 260219764512. Its totient is φ = 55950681600.

The previous prime is 123103113229. The next prime is 123103113283. The reversal of 123103113232 is 232311301321.

It is a super-2 number, since 2×1231031132322 (a number of 23 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2308632 + ... + 2361352.

Almost surely, 2123103113232 is an apocalyptic number.

It is an amenable number.

123103113232 is an abundant number, since it is smaller than the sum of its proper divisors (137116651280).

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

123103113232 is a wasteful number, since it uses less digits than its factorization.

123103113232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66007 (or 66001 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 123103113232 its reverse (232311301321), we get a palindrome (355414414553).

The spelling of 123103113232 in words is "one hundred twenty-three billion, one hundred three million, one hundred thirteen thousand, two hundred thirty-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 13267 26534 52721 53068 105442 106136 145937 210884 212272 291874 421768 579931 583748 843536 1159862 1167496 2319724 2334992 4639448 9278896 699449507 1398899014 2797798028 5595596056 7693944577 11191192112 15387889154 30775778308 61551556616 123103113232