Base | Representation |
---|---|
bin | 10000010000110011… |
… | …01000111001101010 |
3 | 211112110200022210100 |
4 | 20020121220321222 |
5 | 120340100422300 |
6 | 4002204530230 |
7 | 426234125355 |
oct | 101031507152 |
9 | 24473608710 |
10 | 8730873450 |
11 | 37803944a2 |
12 | 1837b50976 |
13 | a91aa1c10 |
14 | 5cb79b29c |
15 | 36176a700 |
hex | 208668e6a |
8730873450 has 72 divisors (see below), whose sum is σ = 25261344108. Its totient is φ = 2149136640.
The previous prime is 8730873409. The next prime is 8730873491. The reversal of 8730873450 is 543780378.
It is an interprime number because it is at equal distance from previous prime (8730873409) and next prime (8730873491).
It can be written as a sum of positive squares in 6 ways, for example, as 2718266769 + 6012606681 = 52137^2 + 77541^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a junction number, because it is equal to n+sod(n) for n = 8730873396 and 8730873405.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 740379 + ... + 752078.
Almost surely, 28730873450 is an apocalyptic number.
8730873450 is an abundant number, since it is smaller than the sum of its proper divisors (16530470658).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8730873450 is a wasteful number, since it uses less digits than its factorization.
8730873450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1492488 (or 1492480 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 45.
The square root of 8730873450 is about 93439.1430290325. The cubic root of 8730873450 is about 2059.1401075385.
The spelling of 8730873450 in words is "eight billion, seven hundred thirty million, eight hundred seventy-three thousand, four hundred fifty".
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