Search a number
-
+
297706974193 = 680343761131
BaseRepresentation
bin1000101010100001011…
…01111110101111110001
31001110102201012020200101
410111100231332233301
514334200441133233
6344433101352401
730336312346036
oct4252055765761
91043381166611
10297706974193
1110529090a052
1249845568701
13220c5a58cc5
14105a27ab38d
157b26218c7d
hex4550b7ebf1

297706974193 has 4 divisors (see below), whose sum is σ = 297750742128. Its totient is φ = 297663206260.

The previous prime is 297706974179. The next prime is 297706974239. The reversal of 297706974193 is 391479607792.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-297706974193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (297706978193) 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, 21873763 + ... + 21887368.

It is an arithmetic number, because the mean of its divisors is an integer number (74437685532).

Almost surely, 2297706974193 is an apocalyptic number.

It is an amenable number.

297706974193 is a deficient number, since it is larger than the sum of its proper divisors (43767935).

297706974193 is an equidigital number, since it uses as much as digits as its factorization.

297706974193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43767934.

The product of its (nonzero) digits is 36006768, while the sum is 64.

The spelling of 297706974193 in words is "two hundred ninety-seven billion, seven hundred six million, nine hundred seventy-four thousand, one hundred ninety-three".

Divisors: 1 6803 43761131 297706974193