Search a number
-
+
2652990853 = 7669345937
BaseRepresentation
bin1001111000100001…
…0110110110000101
320211220001220021111
42132020112312011
520413131201403
61115130445021
7122513023132
oct23610266605
96756056244
102652990853
1111415a9327
12620593771
13333837796
141b24b7589
15107d9b56d
hex9e216d85

2652990853 has 4 divisors (see below), whose sum is σ = 2653344460. Its totient is φ = 2652637248.

The previous prime is 2652990749. The next prime is 2652990859. The reversal of 2652990853 is 3580992562.

It is a happy number.

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 2393362084 + 259628769 = 48922^2 + 16113^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2652990853 is a prime.

It is a super-2 number, since 2×26529908532 = 14076720932203335218, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2652990797 and 2652990806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2652990859) 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, 165300 + ... + 180637.

It is an arithmetic number, because the mean of its divisors is an integer number (663336115).

Almost surely, 22652990853 is an apocalyptic number.

It is an amenable number.

2652990853 is a deficient number, since it is larger than the sum of its proper divisors (353607).

2652990853 is an equidigital number, since it uses as much as digits as its factorization.

2652990853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353606.

The product of its (nonzero) digits is 1166400, while the sum is 49.

The square root of 2652990853 is about 51507.1922453554. The cubic root of 2652990853 is about 1384.3479147838.

The spelling of 2652990853 in words is "two billion, six hundred fifty-two million, nine hundred ninety thousand, eight hundred fifty-three".

Divisors: 1 7669 345937 2652990853