Search a number
-
+
99193992263 = 127977555897
BaseRepresentation
bin101110001100001101…
…1000011010001000111
3100111000222222220111022
41130120123003101013
53111122130223023
6113322531301355
710111056010502
oct1343033032107
9314028886438
1099193992263
1139082471603
1217283a4a85b
13947a8351a2
144b2ddb0139
1528a85c77c8
hex17186c3447

99193992263 has 4 divisors (see below), whose sum is σ = 99271549440. Its totient is φ = 99116435088.

The previous prime is 99193992253. The next prime is 99193992311. The reversal of 99193992263 is 36229939199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36229939199 = 72859497261.

It is a cyclic number.

It is not a de Polignac number, because 99193992263 - 212 = 99193988167 is a prime.

It is a super-2 number, since 2×991939922632 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 99193992196 and 99193992205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99193992253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38776670 + ... + 38779227.

It is an arithmetic number, because the mean of its divisors is an integer number (24817887360).

Almost surely, 299193992263 is an apocalyptic number.

99193992263 is a deficient number, since it is larger than the sum of its proper divisors (77557177).

99193992263 is a wasteful number, since it uses less digits than its factorization.

99193992263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77557176.

The product of its digits is 12754584, while the sum is 62.

The spelling of 99193992263 in words is "ninety-nine billion, one hundred ninety-three million, nine hundred ninety-two thousand, two hundred sixty-three".

Divisors: 1 1279 77555897 99193992263