Search a number
-
+
761140072933 = 2293323755777
BaseRepresentation
bin10110001001101110111…
…10111101000111100101
32200202122011022220112121
423010313132331013211
544432303324313213
61341355105145541
7105663521605012
oct13046736750745
92622564286477
10761140072933
11273885801399
1210362032b2b1
1356a101688a6
1428ba7368709
1514beb95988d
hexb1377bd1e5

761140072933 has 4 divisors (see below), whose sum is σ = 764463828940. Its totient is φ = 757816316928.

The previous prime is 761140072921. The next prime is 761140072961. The reversal of 761140072933 is 339270041167.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 339270041167 = 3105911092337.

It can be written as a sum of positive squares in 2 ways, for example, as 616228140004 + 144911932929 = 785002^2 + 380673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-761140072933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 761140072933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (761140072733) 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, 1661877660 + ... + 1661878117.

It is an arithmetic number, because the mean of its divisors is an integer number (191115957235).

Almost surely, 2761140072933 is an apocalyptic number.

It is an amenable number.

761140072933 is a deficient number, since it is larger than the sum of its proper divisors (3323756007).

761140072933 is a wasteful number, since it uses less digits than its factorization.

761140072933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323756006.

The product of its (nonzero) digits is 190512, while the sum is 43.

The spelling of 761140072933 in words is "seven hundred sixty-one billion, one hundred forty million, seventy-two thousand, nine hundred thirty-three".

Divisors: 1 229 3323755777 761140072933