Base | Representation |
---|---|
bin | 100111011101011… |
… | …000010001001001 |
3 | 1201010200202010001 |
4 | 213131120101021 |
5 | 2323433404001 |
6 | 145405123001 |
7 | 22256006026 |
oct | 4735302111 |
9 | 1633622101 |
10 | 662013001 |
11 | 30a764191 |
12 | 165859461 |
13 | a71cbb90 |
14 | 63cca54d |
15 | 3d1bc001 |
hex | 27758449 |
662013001 has 12 divisors (see below), whose sum is σ = 728460292. Its totient is φ = 598061088.
The previous prime is 662012987. The next prime is 662013043. The reversal of 662013001 is 100310266.
It can be written as a sum of positive squares in 2 ways, for example, as 294294025 + 367718976 = 17155^2 + 19176^2 .
It is not a de Polignac number, because 662013001 - 29 = 662012489 is a prime.
It is a super-2 number, since 2×6620130012 = 876522426986052002, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 662013001.
It is not an unprimeable number, because it can be changed into a prime (662016001) 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, 17191 + ... + 40243.
Almost surely, 2662013001 is an apocalyptic number.
It is an amenable number.
662013001 is a deficient number, since it is larger than the sum of its proper divisors (66447291).
662013001 is a wasteful number, since it uses less digits than its factorization.
662013001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23160 (or 23113 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 662013001 is about 25729.6133084040. The cubic root of 662013001 is about 871.5430409040.
Adding to 662013001 its reverse (100310266), we get a palindrome (762323267).
The spelling of 662013001 in words is "six hundred sixty-two million, thirteen thousand, one".
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