Search a number
-
+
793401806797 = 2927358682993
BaseRepresentation
bin10111000101110100110…
…11101100111111001101
32210211220112110210111121
423202322123230333031
5100444341330304142
61404252254120541
7111215144041105
oct13427233547715
92724815423447
10793401806797
112865306aa566
121099247b0151
1359a81c98542
142a587d20205
1515988de6c67
hexb8ba6ecfcd

793401806797 has 4 divisors (see below), whose sum is σ = 820760489820. Its totient is φ = 766043123776.

The previous prime is 793401806741. The next prime is 793401806803. The reversal of 793401806797 is 797608104397.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 797608104397 = 1361354469569.

It can be written as a sum of positive squares in 2 ways, for example, as 177033928516 + 616367878281 = 420754^2 + 785091^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-793401806797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (793401806707) 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, 13679341468 + ... + 13679341525.

It is an arithmetic number, because the mean of its divisors is an integer number (205190122455).

Almost surely, 2793401806797 is an apocalyptic number.

It is an amenable number.

793401806797 is a deficient number, since it is larger than the sum of its proper divisors (27358683023).

793401806797 is a wasteful number, since it uses less digits than its factorization.

793401806797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27358683022.

The product of its (nonzero) digits is 16003008, while the sum is 61.

The spelling of 793401806797 in words is "seven hundred ninety-three billion, four hundred one million, eight hundred six thousand, seven hundred ninety-seven".

Divisors: 1 29 27358682993 793401806797