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123644753054652 = 22343793033184993
BaseRepresentation
bin11100000111010001001001…
…100101011000101110111100
3121012210022201102200002121110
4130013101021211120232330
5112201243423240222102
61114545340532002020
735021016150034254
oct3407211145305674
9535708642602543
10123644753054652
1136440499761865
1211a4b221760310
1353cb85b5b4cab
14227661bb56964
15e4643cb2686c
hex707449958bbc

123644753054652 has 48 divisors (see below), whose sum is σ = 298950713008640. Its totient is φ = 39746856135168.

The previous prime is 123644753054591. The next prime is 123644753054687. The reversal of 123644753054652 is 256450357446321.

123644753054652 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1236447530546522 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 123644753054592 and 123644753054601.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1516551733 + ... + 1516633260.

Almost surely, 2123644753054652 is an apocalyptic number.

123644753054652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

123644753054652 is an abundant number, since it is smaller than the sum of its proper divisors (175305959953988).

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

123644753054652 is a wasteful number, since it uses less digits than its factorization.

123644753054652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3033185122 (or 3033185120 counting only the distinct ones).

The product of its (nonzero) digits is 72576000, while the sum is 57.

The spelling of 123644753054652 in words is "one hundred twenty-three trillion, six hundred forty-four billion, seven hundred fifty-three million, fifty-four thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 12 43 79 86 129 158 172 237 258 316 474 516 948 3397 6794 10191 13588 20382 40764 3033184993 6066369986 9099554979 12132739972 18199109958 36398219916 130426954699 239621614447 260853909398 391280864097 479243228894 521707818796 718864843341 782561728194 958486457788 1437729686682 1565123456388 2875459373364 10303729421221 20607458842442 30911188263663 41214917684884 61822376527326 123644753054652