Search a number
-
+
490268829761 = 19371478179
BaseRepresentation
bin1110010001001100100…
…11001010100001000001
31201212110200022001012222
413020212103022201001
531013032310023021
61013120522300425
750264214202544
oct7104623124101
91655420261188
10490268829761
11179a15a78247
127b026057715
1337303066889
1419a2ca7c85b
15cb466786ab
hex72264ca841

490268829761 has 8 divisors (see below), whose sum is σ = 517502023200. Its totient is φ = 464465200644.

The previous prime is 490268829751. The next prime is 490268829773. The reversal of 490268829761 is 167928862094.

It is not a de Polignac number, because 490268829761 - 26 = 490268829697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 490268829694 and 490268829703.

It is not an unprimeable number, because it can be changed into a prime (490268829751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35732231 + ... + 35745948.

It is an arithmetic number, because the mean of its divisors is an integer number (64687752900).

Almost surely, 2490268829761 is an apocalyptic number.

It is an amenable number.

490268829761 is a deficient number, since it is larger than the sum of its proper divisors (27233193439).

490268829761 is an frugal number, since it uses more digits than its factorization.

490268829761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71478236 (or 71478198 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 62.

The spelling of 490268829761 in words is "four hundred ninety billion, two hundred sixty-eight million, eight hundred twenty-nine thousand, seven hundred sixty-one".

Divisors: 1 19 361 6859 71478179 1358085401 25803622619 490268829761