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12894863700 = 22352263163433
BaseRepresentation
bin11000000001001100…
…00000000101010100
31020021122221221120110
430000212000011110
5202402041114300
65531313403020
7634355350545
oct140046000524
936248857513
1012894863700
1155178a5a54
1225ba569470
1312a6680384
148a47dc4cc
155070d5550
hex300980154

12894863700 has 72 divisors (see below), whose sum is σ = 37451227968. Its totient is φ = 3425534720.

The previous prime is 12894863687. The next prime is 12894863731. The reversal of 12894863700 is 736849821.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12894863700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2817 + ... + 160616.

It is an arithmetic number, because the mean of its divisors is an integer number (520155944).

Almost surely, 212894863700 is an apocalyptic number.

12894863700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12894863700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18725613984).

12894863700 is an abundant number, since it is smaller than the sum of its proper divisors (24556364268).

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

12894863700 is a wasteful number, since it uses less digits than its factorization.

12894863700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163713 (or 163706 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 12894863700 in words is "twelve billion, eight hundred ninety-four million, eight hundred sixty-three thousand, seven hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 263 300 526 789 1052 1315 1578 2630 3156 3945 5260 6575 7890 13150 15780 19725 26300 39450 78900 163433 326866 490299 653732 817165 980598 1634330 1961196 2451495 3268660 4085825 4902990 8171650 9805980 12257475 16343300 24514950 42982879 49029900 85965758 128948637 171931516 214914395 257897274 429828790 515794548 644743185 859657580 1074571975 1289486370 2149143950 2578972740 3223715925 4298287900 6447431850 12894863700