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12510823379 = 173672005261
BaseRepresentation
bin10111010011011010…
…00000001111010011
31012021220022200021212
423221231000033103
5201110232322004
65425234210335
7622013146505
oct135155001723
935256280255
1012510823379
11534004085a
122511a239ab
131244c39192
148697cdd75
154d352596e
hex2e9b403d3

12510823379 has 8 divisors (see below), whose sum is σ = 13282855488. Its totient is φ = 11742802560.

The previous prime is 12510823337. The next prime is 12510823397. The reversal of 12510823379 is 97332801521.

12510823379 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12510823379 - 220 = 12509774803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12510823879) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 996392 + ... + 1008869.

It is an arithmetic number, because the mean of its divisors is an integer number (1660356936).

Almost surely, 212510823379 is an apocalyptic number.

12510823379 is a deficient number, since it is larger than the sum of its proper divisors (772032109).

12510823379 is a wasteful number, since it uses less digits than its factorization.

12510823379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005645.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 12510823379 in words is "twelve billion, five hundred ten million, eight hundred twenty-three thousand, three hundred seventy-nine".

Divisors: 1 17 367 6239 2005261 34089437 735930787 12510823379