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490646458907 = 1144604223537
BaseRepresentation
bin1110010001111001100…
…11101101001000011011
31201220102222212121000122
413020330303231020123
531014320443141112
61013222212223455
750306451042263
oct7107463551033
91656388777018
10490646458907
1117a09a153650
127b11060ab8b
1337363374887
1419a66c9c7a3
15cb698bd872
hex723cced21b

490646458907 has 4 divisors (see below), whose sum is σ = 535250682456. Its totient is φ = 446042235360.

The previous prime is 490646458901. The next prime is 490646458909. The reversal of 490646458907 is 709854646094.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 490646458907 - 24 = 490646458891 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 490646458907.

It is not an unprimeable number, because it can be changed into a prime (490646458901) 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, 22302111758 + ... + 22302111779.

It is an arithmetic number, because the mean of its divisors is an integer number (133812670614).

Almost surely, 2490646458907 is an apocalyptic number.

490646458907 is a deficient number, since it is larger than the sum of its proper divisors (44604223549).

490646458907 is a wasteful number, since it uses less digits than its factorization.

490646458907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44604223548.

The product of its (nonzero) digits is 52254720, while the sum is 62.

The spelling of 490646458907 in words is "four hundred ninety billion, six hundred forty-six million, four hundred fifty-eight thousand, nine hundred seven".

Divisors: 1 11 44604223537 490646458907