Search a number
-
+
99048048961 = 3147192
BaseRepresentation
bin101110000111110111…
…0010100100101000001
3100110122211101012220211
41130033232110211001
53110322300031321
6113300235234121
710104334345021
oct1341756244501
9313584335824
1099048048961
1139008050204
1217242ba8941
1394565268c4
144b1885da81
15289a89a0e1
hex170fb94941

99048048961 has 3 divisors (see below), whose sum is σ = 99048363681. Its totient is φ = 99047734242.

The previous prime is 99048048949. The next prime is 99048049019. The reversal of 99048048961 is 16984084099.

It is a happy number.

The square root of 99048048961 is 314719.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16984084099 = 82312063429.

It is not a de Polignac number, because 99048048961 - 223 = 99039660353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99048048896 and 99048048905.

It is not an unprimeable number, because it can be changed into a prime (99048048941) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 157360 + ... + 472078.

It is an arithmetic number, because the mean of its divisors is an integer number (33016121227).

Almost surely, 299048048961 is an apocalyptic number.

99048048961 is the 314719-th square number.

99048048961 is the 157360-th centered octagonal number.

It is an amenable number.

99048048961 is a deficient number, since it is larger than the sum of its proper divisors (314720).

99048048961 is an frugal number, since it uses more digits than its factorization.

99048048961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629438 (or 314719 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 99048048961 in words is "ninety-nine billion, forty-eight million, forty-eight thousand, nine hundred sixty-one".

Divisors: 1 314719 99048048961