Base | Representation |
---|---|
bin | 10001000001001… |
… | …10010010001011 |
3 | 100221122010012222 |
4 | 20200212102023 |
5 | 243021410042 |
6 | 22055524255 |
7 | 3352316042 |
oct | 1040462213 |
9 | 327563188 |
10 | 142763147 |
11 | 7364a07a |
12 | 3b98968b |
13 | 23766c47 |
14 | 14d63559 |
15 | c8002d2 |
hex | 882648b |
142763147 has 8 divisors (see below), whose sum is σ = 144184320. Its totient is φ = 141347880.
The previous prime is 142763129. The next prime is 142763177. The reversal of 142763147 is 741367241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 142763147 - 28 = 142762891 is a prime.
It is a super-2 number, since 2×1427631472 = 40762632282687218, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (142763177) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58718 + ... + 61100.
It is an arithmetic number, because the mean of its divisors is an integer number (18023040).
Almost surely, 2142763147 is an apocalyptic number.
142763147 is a deficient number, since it is larger than the sum of its proper divisors (1421173).
142763147 is a wasteful number, since it uses less digits than its factorization.
142763147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2953.
The product of its digits is 28224, while the sum is 35.
The square root of 142763147 is about 11948.3533175078. The cubic root of 142763147 is about 522.6432802271.
The spelling of 142763147 in words is "one hundred forty-two million, seven hundred sixty-three thousand, one hundred forty-seven".
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