Search a number
-
+
12669983998 = 272145189101
BaseRepresentation
bin10111100110011000…
…01001110011111110
31012200222210212121121
423303030021303332
5201422003441443
65453121421154
7625655041600
oct136314116376
935628725547
1012669983998
11541196a561
12255719a7ba
13126bbc4869
148829c1170
154e24b44ed
hex2f3309cfe

12669983998 has 24 divisors (see below), whose sum is σ = 22123313784. Its totient is φ = 5426190000.

The previous prime is 12669983983. The next prime is 12669984007. The reversal of 12669983998 is 89938996621.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97648 + ... + 186748.

It is an arithmetic number, because the mean of its divisors is an integer number (921804741).

Almost surely, 212669983998 is an apocalyptic number.

12669983998 is a deficient number, since it is larger than the sum of its proper divisors (9453329786).

12669983998 is a wasteful number, since it uses less digits than its factorization.

12669983998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90568 (or 90561 counting only the distinct ones).

The product of its digits is 90699264, while the sum is 70.

The spelling of 12669983998 in words is "twelve billion, six hundred sixty-nine million, nine hundred eighty-three thousand, nine hundred ninety-eight".

Divisors: 1 2 7 14 49 98 1451 2902 10157 20314 71099 89101 142198 178202 623707 1247414 4365949 8731898 129285551 258571102 904998857 1809997714 6334991999 12669983998