Base | Representation |
---|---|
bin | 1001010110001111… |
… | …10000001110101111 |
3 | 110221202001011020201 |
4 | 10223013300032233 |
5 | 40234203421033 |
6 | 2145550054331 |
7 | 235234603342 |
oct | 45307601657 |
9 | 13852034221 |
10 | 5018420143 |
11 | 2145849370 |
12 | b807aa3a7 |
13 | 61c90ab99 |
14 | 3586d8459 |
15 | 1e589447d |
hex | 12b1f03af |
5018420143 has 4 divisors (see below), whose sum is σ = 5474640168. Its totient is φ = 4562200120.
The previous prime is 5018420137. The next prime is 5018420177. The reversal of 5018420143 is 3410248105.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-5018420143 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5018420123) 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, 228109996 + ... + 228110017.
It is an arithmetic number, because the mean of its divisors is an integer number (1368660042).
Almost surely, 25018420143 is an apocalyptic number.
5018420143 is a deficient number, since it is larger than the sum of its proper divisors (456220025).
5018420143 is a wasteful number, since it uses less digits than its factorization.
5018420143 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 456220024.
The product of its (nonzero) digits is 3840, while the sum is 28.
The square root of 5018420143 is about 70840.8084581197. The cubic root of 5018420143 is about 1712.0732400493.
Adding to 5018420143 its reverse (3410248105), we get a palindrome (8428668248).
The spelling of 5018420143 in words is "five billion, eighteen million, four hundred twenty thousand, one hundred forty-three".
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