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490218375970 = 25291690408193
BaseRepresentation
bin1110010001000110100…
…10101100101100100010
31201212100011100201122001
413020203102230230202
531012431401012340
61013111521034214
750263032305131
oct7104322545442
91655304321561
10490218375970
1117999a5475a4
127b01118596a
13372c577ca6b
1419a260a7918
15cb4200e29a
hex72234acb22

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".

Divisors: 1 2 5 10 29 58 145 290 1690408193 3380816386 8452040965 16904081930 49021837597 98043675194 245109187985 490218375970