Search a number
-
+
13420321192 = 232935725393
BaseRepresentation
bin11000111111110100…
…11101100110101000
31021122021200221202001
430133322131212220
5204441100234232
610055404020344
7653365563565
oct143772354650
937567627661
1013420321192
11576746aa43
1227265316b4
13135b4a9975
149144dd86c
155382cb6e7
hex31fe9d9a8

13420321192 has 16 divisors (see below), whose sum is σ = 25248987540. Its totient is φ = 6687257856.

The previous prime is 13420321183. The next prime is 13420321247. The reversal of 13420321192 is 29112302431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11036342916 + 2383978276 = 105054^2 + 48826^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13420321192.

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, 2860353 + ... + 2865040.

Almost surely, 213420321192 is an apocalyptic number.

It is an amenable number.

13420321192 is a deficient number, since it is larger than the sum of its proper divisors (11828666348).

13420321192 is a wasteful number, since it uses less digits than its factorization.

13420321192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725692 (or 5725688 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 13420321192 in words is "thirteen billion, four hundred twenty million, three hundred twenty-one thousand, one hundred ninety-two".

Divisors: 1 2 4 8 293 586 1172 2344 5725393 11450786 22901572 45803144 1677540149 3355080298 6710160596 13420321192