Base | Representation |
---|---|
bin | 1110010001000110100… |
… | …10101100101100100010 |
3 | 1201212100011100201122001 |
4 | 13020203102230230202 |
5 | 31012431401012340 |
6 | 1013111521034214 |
7 | 50263032305131 |
oct | 7104322545442 |
9 | 1655304321561 |
10 | 490218375970 |
11 | 17999a5475a4 |
12 | 7b01118596a |
13 | 372c577ca6b |
14 | 19a260a7918 |
15 | cb4200e29a |
hex | 72234acb22 |
490218375970 has 16 divisors (see below), whose sum is σ = 912820424760. Its totient is φ = 189325717504.
The previous prime is 490218375949. The next prime is 490218375971. The reversal of 490218375970 is 79573812094.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 295284646801 + 194933729169 = 543401^2 + 441513^2 .
It is a super-2 number, since 2×4902183759702 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (490218375971) 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 7 ways as a sum of consecutive naturals, for example, 845203807 + ... + 845204386.
Almost surely, 2490218375970 is an apocalyptic number.
490218375970 is a deficient number, since it is larger than the sum of its proper divisors (422602048790).
490218375970 is a wasteful number, since it uses less digits than its factorization.
490218375970 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1690408229.
The product of its (nonzero) digits is 3810240, while the sum is 55.
The spelling of 490218375970 in words is "four hundred ninety billion, two hundred eighteen million, three hundred seventy-five thousand, nine hundred seventy".
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