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123013242352252 = 22753775910683467
BaseRepresentation
bin11011111110000101000000…
…100111001111001001111100
3121010112221200100212111122101
4123332011000213033021330
5112110422110020233002
61113343300421554444
734624261551446230
oct3376050047171174
9533487610774571
10123013242352252
11362176943a515a
1211968959b75a24
1353841395c3c65
142253c3097a5c0
15e34ccb71e587
hex6fe1409cf27c

123013242352252 has 48 divisors (see below), whose sum is σ = 250700824120320. Its totient is φ = 51718573438272.

The previous prime is 123013242352141. The next prime is 123013242352393. The reversal of 123013242352252 is 252253242310321.

It is a congruent number.

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, 6172623 + ... + 16856089.

It is an arithmetic number, because the mean of its divisors is an integer number (5222933835840).

Almost surely, 2123013242352252 is an apocalyptic number.

It is an amenable number.

123013242352252 is an abundant number, since it is smaller than the sum of its proper divisors (127687581768068).

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

123013242352252 is a wasteful number, since it uses less digits than its factorization.

123013242352252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10691290 (or 10691288 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 37.

Adding to 123013242352252 its reverse (252253242310321), we get a palindrome (375266484662573).

The spelling of 123013242352252 in words is "one hundred twenty-three trillion, thirteen billion, two hundred forty-two million, three hundred fifty-two thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 1484 7759 15518 31036 54313 108626 217252 411227 822454 1644908 2878589 5757178 10683467 11514356 21366934 42733868 74784269 149568538 299137076 566223751 1132447502 2264895004 3963566257 7927132514 15854265028 82893020453 165786040906 331572081812 580251143171 1160502286342 2321004572684 4393330084009 8786660168018 17573320336036 30753310588063 61506621176126 123013242352252