Search a number
-
+
12425387163 = 37718333593
BaseRepresentation
bin10111001001001110…
…00101110010011011
31012001221120001211120
423210213011302123
5200421344342123
65412543100323
7616625022360
oct134447056233
935057501746
1012425387163
1152a6897312
1224a92a16a3
1312303245c7
1485c310467
154cac9b2e3
hex2e49c5c9b

12425387163 has 16 divisors (see below), whose sum is σ = 19200600576. Its totient is φ = 7000217280.

The previous prime is 12425387119. The next prime is 12425387173. The reversal of 12425387163 is 36178352421.

It is not a de Polignac number, because 12425387163 - 28 = 12425386907 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12425387173) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4165306 + ... + 4168287.

It is an arithmetic number, because the mean of its divisors is an integer number (1200037536).

Almost surely, 212425387163 is an apocalyptic number.

12425387163 is a deficient number, since it is larger than the sum of its proper divisors (6775213413).

12425387163 is an equidigital number, since it uses as much as digits as its factorization.

12425387163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8333674.

The product of its digits is 241920, while the sum is 42.

The spelling of 12425387163 in words is "twelve billion, four hundred twenty-five million, three hundred eighty-seven thousand, one hundred sixty-three".

Divisors: 1 3 7 21 71 213 497 1491 8333593 25000779 58335151 175005453 591685103 1775055309 4141795721 12425387163