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490875091306 = 2429757118349
BaseRepresentation
bin1110010010010100110…
…11110111100101101010
31201221000221002022201021
413021022123313211222
531020303010410211
61013301020443054
750315225301115
oct7111233674552
91657027068637
10490875091306
1117a1a7212546
127b1750a948a
133739b845512
1419a893b557c
15cb7e9d1771
hex724a6f796a

490875091306 has 8 divisors (see below), whose sum is σ = 736484004900. Its totient is φ = 245380423008.

The previous prime is 490875091297. The next prime is 490875091309. The reversal of 490875091306 is 603190578094.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 475210316025 + 15664775281 = 689355^2 + 125159^2 .

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

It is not an unprimeable number, because it can be changed into a prime (490875091309) 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, 28550581 + ... + 28567768.

Almost surely, 2490875091306 is an apocalyptic number.

490875091306 is a deficient number, since it is larger than the sum of its proper divisors (245608913594).

490875091306 is a wasteful number, since it uses less digits than its factorization.

490875091306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57122648.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 490875091306 in words is "four hundred ninety billion, eight hundred seventy-five million, ninety-one thousand, three hundred six".

Divisors: 1 2 4297 8594 57118349 114236698 245437545653 490875091306