Search a number
-
+
830153935393 = 2425193423047
BaseRepresentation
bin11000001010010010000…
…01111100101000100001
32221100202212002101000121
430011021001330220201
5102100123401413033
61433211211520241
7113655663011056
oct14051101745041
92840685071017
10830153935393
112a0080288762
12114a80a59081
136038b1ba9b3
142c27300102d
15168da6c662d
hexc14907ca21

830153935393 has 4 divisors (see below), whose sum is σ = 830157600960. Its totient is φ = 830150269828.

The previous prime is 830153935363. The next prime is 830153935397. The reversal of 830153935393 is 393539351038.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 393539351038 = 2196769675519.

It is a cyclic number.

It is not a de Polignac number, because 830153935393 - 29 = 830153934881 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 830153935393.

It is not an unprimeable number, because it can be changed into a prime (830153935397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1469005 + ... + 1954042.

It is an arithmetic number, because the mean of its divisors is an integer number (207539400240).

Almost surely, 2830153935393 is an apocalyptic number.

It is an amenable number.

830153935393 is a deficient number, since it is larger than the sum of its proper divisors (3665567).

830153935393 is a wasteful number, since it uses less digits than its factorization.

830153935393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665566.

The product of its (nonzero) digits is 3936600, while the sum is 52.

The spelling of 830153935393 in words is "eight hundred thirty billion, one hundred fifty-three million, nine hundred thirty-five thousand, three hundred ninety-three".

Divisors: 1 242519 3423047 830153935393