Search a number
-
+
22493580049 = 31371864473
BaseRepresentation
bin10100111100101110…
…001100101100010001
32011001121122021000101
4110330232030230101
5332031324030144
614200003252401
71424261163403
oct247456145421
964047567011
1022493580049
1195a3048686
12443907a101
132176199ba5
141135544b73
158b9b296d4
hex53cb8cb11

22493580049 has 4 divisors (see below), whose sum is σ = 22565444836. Its totient is φ = 22421715264.

The previous prime is 22493580017. The next prime is 22493580091. The reversal of 22493580049 is 94008539422.

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 4766521600 + 17727058449 = 69040^2 + 133143^2 .

It is a cyclic number.

It is not a de Polignac number, because 22493580049 - 25 = 22493580017 is a prime.

It is a super-2 number, since 2×224935800492 (a number of 22 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 = 22493579990 and 22493580008.

It is not an unprimeable number, because it can be changed into a prime (22493580149) 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, 35931924 + ... + 35932549.

It is an arithmetic number, because the mean of its divisors is an integer number (5641361209).

Almost surely, 222493580049 is an apocalyptic number.

It is an amenable number.

22493580049 is a deficient number, since it is larger than the sum of its proper divisors (71864787).

22493580049 is an equidigital number, since it uses as much as digits as its factorization.

22493580049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71864786.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 22493580049 in words is "twenty-two billion, four hundred ninety-three million, five hundred eighty thousand, forty-nine".

Divisors: 1 313 71864473 22493580049