Search a number
-
+
995291809061 = 11229535351693
BaseRepresentation
bin11100111101111000000…
…00111100010100100101
310112011000121010112200212
432132330000330110211
5112301324200342221
62041121501345205
7131623154534564
oct16367400742445
93464017115625
10995291809061
11354112308400
12140a89268205
1372b17a2a744
143625b025bdb
151ad53251b5b
hexe7bc03c525

995291809061 has 24 divisors (see below), whose sum is σ = 1153075989240. Its totient is φ = 857126990720.

The previous prime is 995291809033. The next prime is 995291809073. The reversal of 995291809061 is 160908192599.

995291809061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 449444204836 + 545847604225 = 670406^2 + 738815^2 .

It is a de Polignac number, because none of the positive numbers 2k-995291809061 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 (995291809261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2489870 + ... + 2861823.

It is an arithmetic number, because the mean of its divisors is an integer number (48044832885).

Almost surely, 2995291809061 is an apocalyptic number.

It is an amenable number.

995291809061 is a deficient number, since it is larger than the sum of its proper divisors (157784180179).

995291809061 is a wasteful number, since it uses less digits than its factorization.

995291809061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5351797 (or 5351786 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 59.

The spelling of 995291809061 in words is "nine hundred ninety-five billion, two hundred ninety-one million, eight hundred nine thousand, sixty-one".

Divisors: 1 11 29 53 121 319 583 1537 3509 6413 16907 185977 5351693 58868623 155199097 283639729 647554853 1707190067 3120037019 8225552141 18779090737 34320407209 90481073551 995291809061