Base | Representation |
---|---|
bin | 11010011111010000110… |
… | …100100000001100000100 |
3 | 20110000110001210002000202 |
4 | 122133100310200030010 |
5 | 214310410243343333 |
6 | 3512120025430032 |
7 | 245340046505165 |
oct | 32372064401404 |
9 | 6400401702022 |
10 | 1820274590468 |
11 | 641a79608584 |
12 | 25494633b318 |
13 | 1028607921b9 |
14 | 6415d33176c |
15 | 325399645e8 |
hex | 1a7d0d20304 |
1820274590468 has 12 divisors (see below), whose sum is σ = 3187263131472. Its totient is φ = 909627981480.
The previous prime is 1820274590467. The next prime is 1820274590507. The reversal of 1820274590468 is 8640954720281.
It is not an unprimeable number, because it can be changed into a prime (1820274590467) 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, 127320398 + ... + 127334693.
It is an arithmetic number, because the mean of its divisors is an integer number (265605260956).
Almost surely, 21820274590468 is an apocalyptic number.
It is an amenable number.
1820274590468 is a deficient number, since it is larger than the sum of its proper divisors (1366988541004).
1820274590468 is a wasteful number, since it uses less digits than its factorization.
1820274590468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 254656882 (or 254656880 counting only the distinct ones).
The product of its (nonzero) digits is 7741440, while the sum is 56.
The spelling of 1820274590468 in words is "one trillion, eight hundred twenty billion, two hundred seventy-four million, five hundred ninety thousand, four hundred sixty-eight".
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