Search a number
-
+
7799232013 = 53147155321
BaseRepresentation
bin1110100001101111…
…01101011000001101
3202010112122000222221
413100313231120031
5111433100411023
63325524335341
7364162243516
oct72067553015
922115560887
107799232013
1133425104a1
121617b44551
13973a7a3b1
1453db65a0d
15309a8d85d
hex1d0ded60d

7799232013 has 4 divisors (see below), whose sum is σ = 7946387388. Its totient is φ = 7652076640.

The previous prime is 7799231969. The next prime is 7799232017. The reversal of 7799232013 is 3102329977.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6276125284 + 1523106729 = 79222^2 + 39027^2 .

It is a cyclic number.

It is not a de Polignac number, because 7799232013 - 217 = 7799100941 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 (7799232017) 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, 73577608 + ... + 73577713.

It is an arithmetic number, because the mean of its divisors is an integer number (1986596847).

Almost surely, 27799232013 is an apocalyptic number.

It is an amenable number.

7799232013 is a deficient number, since it is larger than the sum of its proper divisors (147155375).

7799232013 is a wasteful number, since it uses less digits than its factorization.

7799232013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147155374.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 7799232013 is about 88313.2606860374. The cubic root of 7799232013 is about 1983.1273922519.

The spelling of 7799232013 in words is "seven billion, seven hundred ninety-nine million, two hundred thirty-two thousand, thirteen".

Divisors: 1 53 147155321 7799232013