Search a number
-
+
7913993196 = 2233717824309
BaseRepresentation
bin1110101111011010…
…11111001111101100
3202102112120111202010
413113231133033230
5112201440240241
63345144201220
7400054555314
oct72755371754
922375514663
107913993196
1133a127424a
12164a469210
1399178b915
145510ba444
15314babd16
hex1d7b5f3ec

7913993196 has 24 divisors (see below), whose sum is σ = 18965065840. Its totient is φ = 2566700352.

The previous prime is 7913993161. The next prime is 7913993273. The reversal of 7913993196 is 6913993197.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8911711 + ... + 8912598.

Almost surely, 27913993196 is an apocalyptic number.

It is an amenable number.

7913993196 is an abundant number, since it is smaller than the sum of its proper divisors (11051072644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7913993196 is a wasteful number, since it uses less digits than its factorization.

7913993196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17824353 (or 17824351 counting only the distinct ones).

The product of its digits is 2480058, while the sum is 57.

The square root of 7913993196 is about 88960.6272235083. The cubic root of 7913993196 is about 1992.8069271995.

Subtracting from 7913993196 its reverse (6913993197), we obtain a palindrome (999999999).

The spelling of 7913993196 in words is "seven billion, nine hundred thirteen million, nine hundred ninety-three thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 17824309 35648618 53472927 71297236 106945854 213891708 659499433 1318998866 1978498299 2637997732 3956996598 7913993196