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4818209190457 = 13259534789201
BaseRepresentation
bin100011000011101001110…
…1001011011001000111001
3122001121122021122011022011
41012013103221123020321
51112420143023043312
614125242120325521
71005050500243015
oct106072351331071
918047567564264
104818209190457
1115984335286a3
126599746138a1
1328c480429c00
141292b9bc7545
15854ecbc7da7
hex461d3a5b239

4818209190457 has 12 divisors (see below), whose sum is σ = 5218228293564. Its totient is φ = 4446829670400.

The previous prime is 4818209190437. The next prime is 4818209190463. The reversal of 4818209190457 is 7540919028184.

It can be written as a sum of positive squares in 6 ways, for example, as 3701068001856 + 1117141188601 = 1923816^2 + 1056949^2 .

It is a de Polignac number, because none of the positive numbers 2k-4818209190457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4818209190437) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1388544 + ... + 3400657.

It is an arithmetic number, because the mean of its divisors is an integer number (434852357797).

Almost surely, 24818209190457 is an apocalyptic number.

It is an amenable number.

4818209190457 is a deficient number, since it is larger than the sum of its proper divisors (400019103107).

4818209190457 is a wasteful number, since it uses less digits than its factorization.

4818209190457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4795180 (or 4795167 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 58.

The spelling of 4818209190457 in words is "four trillion, eight hundred eighteen billion, two hundred nine million, one hundred ninety thousand, four hundred fifty-seven".

Divisors: 1 13 169 5953 77389 1006057 4789201 62259613 809374969 28510113553 370631476189 4818209190457