Search a number
-
+
20450363674 = 213786552449
BaseRepresentation
bin10011000010111011…
…111100100100011010
31221210012222010001211
4103002323330210122
5313340243114144
613221134133334
71322531136346
oct230273744432
957705863054
1020450363674
118744773a04
123b6895124a
131c0baa1010
14dc003a626
157ea57c034
hex4c2efc91a

20450363674 has 8 divisors (see below), whose sum is σ = 33035202900. Its totient is φ = 9438629376.

The previous prime is 20450363669. The next prime is 20450363693. The reversal of 20450363674 is 47636305402.

It can be written as a sum of positive squares in 2 ways, for example, as 16797974449 + 3652389225 = 129607^2 + 60435^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393276199 + ... + 393276250.

Almost surely, 220450363674 is an apocalyptic number.

20450363674 is a deficient number, since it is larger than the sum of its proper divisors (12584839226).

20450363674 is a wasteful number, since it uses less digits than its factorization.

20450363674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786552464.

The product of its (nonzero) digits is 362880, while the sum is 40.

The spelling of 20450363674 in words is "twenty billion, four hundred fifty million, three hundred sixty-three thousand, six hundred seventy-four".

Divisors: 1 2 13 26 786552449 1573104898 10225181837 20450363674