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12812382470 = 252383353759
BaseRepresentation
bin10111110111010110…
…10111000100000110
31020001220202110121002
423323223113010012
5202214432214340
65515205453302
7632334311516
oct137353270406
936056673532
1012812382470
11548528a648
122596a11232
131292561804
1489788b846
154eec41715
hex2fbad7106

12812382470 has 16 divisors (see below), whose sum is σ = 23063685120. Its totient is φ = 5124642624.

The previous prime is 12812382431. The next prime is 12812382481. The reversal of 12812382470 is 7428321821.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211451 + ... + 265209.

It is an arithmetic number, because the mean of its divisors is an integer number (1441480320).

Almost surely, 212812382470 is an apocalyptic number.

12812382470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12812382470 is a deficient number, since it is larger than the sum of its proper divisors (10251302650).

12812382470 is a wasteful number, since it uses less digits than its factorization.

12812382470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77599.

The product of its (nonzero) digits is 43008, while the sum is 38.

The spelling of 12812382470 in words is "twelve billion, eight hundred twelve million, three hundred eighty-two thousand, four hundred seventy".

Divisors: 1 2 5 10 23833 47666 53759 107518 119165 238330 268795 537590 1281238247 2562476494 6406191235 12812382470