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12858612782060 = 2251737819449359
BaseRepresentation
bin1011101100011110000100…
…0011000001001111101100
31200112021022211111200021002
42323013201003001033230
53141133414333011220
643203055401455432
72465001261154043
oct273074103011754
950467284450232
1012858612782060
114108341768251
1215381034a1578
1372373c8a1906
1432650849155a
15174736c97c75
hexbb1e10c13ec

12858612782060 has 24 divisors (see below), whose sum is σ = 28591503716160. Its totient is φ = 4840889517824.

The previous prime is 12858612782053. The next prime is 12858612782117. The reversal of 12858612782060 is 6028721685821.

It is a junction number, because it is equal to n+sod(n) for n = 12858612781987 and 12858612782005.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18909724340 + ... + 18909725019.

It is an arithmetic number, because the mean of its divisors is an integer number (1191312654840).

Almost surely, 212858612782060 is an apocalyptic number.

12858612782060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12858612782060 is an abundant number, since it is smaller than the sum of its proper divisors (15732890934100).

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

12858612782060 is a wasteful number, since it uses less digits than its factorization.

12858612782060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37819449385 (or 37819449383 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 12858612782060 in words is "twelve trillion, eight hundred fifty-eight billion, six hundred twelve million, seven hundred eighty-two thousand, sixty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 37819449359 75638898718 151277797436 189097246795 378194493590 642930639103 756388987180 1285861278206 2571722556412 3214653195515 6429306391030 12858612782060