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13212623430 = 2325592488253
BaseRepresentation
bin11000100111000100…
…01010001001000110
31021002210212210222100
430103202022021012
5204024412422210
610023024212530
7645264306006
oct142342121106
937083783870
1013212623430
1156701aa5a6
122688a6a146
131327458996
148d4ab6006
15524e515c0
hex31388a246

13212623430 has 48 divisors (see below), whose sum is σ = 34935086160. Its totient is φ = 3463646784.

The previous prime is 13212623407. The next prime is 13212623443. The reversal of 13212623430 is 3432621231.

13212623430 is a `hidden beast` number, since 1 + 3 + 2 + 1 + 2 + 623 + 4 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 13212623394 and 13212623403.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 1238817 + ... + 1249436.

It is an arithmetic number, because the mean of its divisors is an integer number (727814295).

Almost surely, 213212623430 is an apocalyptic number.

13212623430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13212623430 is an abundant number, since it is smaller than the sum of its proper divisors (21722462730).

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

13212623430 is a wasteful number, since it uses less digits than its factorization.

13212623430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2488325 (or 2488322 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The spelling of 13212623430 in words is "thirteen billion, two hundred twelve million, six hundred twenty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 59 90 118 177 295 354 531 590 885 1062 1770 2655 5310 2488253 4976506 7464759 12441265 14929518 22394277 24882530 37323795 44788554 74647590 111971385 146806927 223942770 293613854 440420781 734034635 880841562 1321262343 1468069270 2202103905 2642524686 4404207810 6606311715 13212623430