Search a number
-
+
12400223404 = 2223211874937
BaseRepresentation
bin10111000110001110…
…00110010010101100
31012000012012121122111
423203013012102230
5200343424122104
65410243453404
7616201105552
oct134307062254
935005177574
1012400223404
11529366a418
1224a0987264
1312280539ca
14858c3dbd2
154c897a404
hex2e31c64ac

12400223404 has 36 divisors (see below), whose sum is σ = 22708617624. Its totient is φ = 5924345152.

The previous prime is 12400223399. The next prime is 12400223443. The reversal of 12400223404 is 40432200421.

It is a happy 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, 2509224 + ... + 2514160.

It is an arithmetic number, because the mean of its divisors is an integer number (630794934).

Almost surely, 212400223404 is an apocalyptic number.

It is an amenable number.

12400223404 is a deficient number, since it is larger than the sum of its proper divisors (10308394220).

12400223404 is a wasteful number, since it uses less digits than its factorization.

12400223404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6174 (or 6149 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 12400223404 its reverse (40432200421), we get a palindrome (52832423825).

The spelling of 12400223404 in words is "twelve billion, four hundred million, two hundred twenty-three thousand, four hundred four".

Divisors: 1 2 4 23 46 92 529 1058 1187 2116 2374 4748 4937 9874 19748 27301 54602 109204 113551 227102 454204 627923 1255846 2511692 2611673 5223346 5860219 10446692 11720438 23440876 134785037 269570074 539140148 3100055851 6200111702 12400223404