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123332405252 = 2274404728759
BaseRepresentation
bin111001011011100101…
…1110010100000000100
3102210100020200100010012
41302313023302200010
54010041043432002
6132354053245352
711624202101420
oct1626713624004
9383306610105
10123332405252
1148339a22551
121ba9b933858
13b8267043b4
145d7db59b80
15331c809d52
hex1cb72f2804

123332405252 has 12 divisors (see below), whose sum is σ = 246664810560. Its totient is φ = 52856745096.

The previous prime is 123332405179. The next prime is 123332405267. The reversal of 123332405252 is 252504233321.

123332405252 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202364352 + ... + 2202364407.

It is an arithmetic number, because the mean of its divisors is an integer number (20555400880).

Almost surely, 2123332405252 is an apocalyptic number.

It is an amenable number.

123332405252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

123332405252 is a wasteful number, since it uses less digits than its factorization.

123332405252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404728770 (or 4404728768 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 123332405252 its reverse (252504233321), we get a palindrome (375836638573).

The spelling of 123332405252 in words is "one hundred twenty-three billion, three hundred thirty-two million, four hundred five thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 4404728759 8809457518 17618915036 30833101313 61666202626 123332405252