Search a number
-
+
12404250004 = 2215443200807
BaseRepresentation
bin10111000110101100…
…11101010110010100
31012000110210012002211
423203112131112110
5200400442000004
65410510043204
7616250246116
oct134326352624
935013705084
1012404250004
11529596a693
1224a21a9504
131228b33703
148595ab3b6
154c8ec3504
hex2e359d594

12404250004 has 12 divisors (see below), whose sum is σ = 21708951264. Its totient is φ = 6201692504.

The previous prime is 12404249989. The next prime is 12404250041. The reversal of 12404250004 is 40005240421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38632 + ... + 162175.

It is an arithmetic number, because the mean of its divisors is an integer number (1809079272).

Almost surely, 212404250004 is an apocalyptic number.

It is an amenable number.

12404250004 is a deficient number, since it is larger than the sum of its proper divisors (9304701260).

12404250004 is a wasteful number, since it uses less digits than its factorization.

12404250004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216254 (or 216252 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

Adding to 12404250004 its reverse (40005240421), we get a palindrome (52409490425).

The spelling of 12404250004 in words is "twelve billion, four hundred four million, two hundred fifty thousand, four".

Divisors: 1 2 4 15443 30886 61772 200807 401614 803228 3101062501 6202125002 12404250004