Search a number
-
+
12672854418 = 237249378731
BaseRepresentation
bin10111100110101110…
…00110100110010010
31012201012012201002110
423303113012212102
5201423222320133
65453303130150
7626021325300
oct136327064622
935635181073
1012672854418
115413550104
122558143956
13126c68b233
1488312b270
154e287ec63
hex2f35c6992

12672854418 has 48 divisors (see below), whose sum is σ = 29493133344. Its totient is φ = 3619667520.

The previous prime is 12672854407. The next prime is 12672854431. The reversal of 12672854418 is 81445827621.

It is a happy number.

It is a Curzon 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, 1447113 + ... + 1455843.

It is an arithmetic number, because the mean of its divisors is an integer number (614440278).

Almost surely, 212672854418 is an apocalyptic number.

12672854418 is an abundant number, since it is smaller than the sum of its proper divisors (16820278926).

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

12672854418 is a wasteful number, since it uses less digits than its factorization.

12672854418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13687 (or 13680 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The spelling of 12672854418 in words is "twelve billion, six hundred seventy-two million, eight hundred fifty-four thousand, four hundred eighteen".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 4937 8731 9874 14811 17462 26193 29622 34559 52386 61117 69118 103677 122234 183351 207354 241913 366702 427819 483826 725739 855638 1283457 1451478 2566914 43104947 86209894 129314841 258629682 301734629 603469258 905203887 1810407774 2112142403 4224284806 6336427209 12672854418