Base | Representation |
---|---|
bin | 100111111111100100… |
… | …111110000101000001 |
3 | 11002211202001110021122 |
4 | 213333210332011001 |
5 | 1200421300242301 |
6 | 31421052402025 |
7 | 3050104653143 |
oct | 477744760501 |
9 | 132752043248 |
10 | 42942587201 |
11 | 17236a75398 |
12 | 83a5476315 |
13 | 40848b4617 |
14 | 211530ac93 |
15 | 11b4ed981b |
hex | 9ff93e141 |
42942587201 has 4 divisors (see below), whose sum is σ = 44423366100. Its totient is φ = 41461808304.
The previous prime is 42942587147. The next prime is 42942587209. The reversal of 42942587201 is 10278524924.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 22703256976 + 20239330225 = 150676^2 + 142265^2 .
It is a cyclic number.
It is not a de Polignac number, because 42942587201 - 222 = 42938392897 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42942587209) 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, 740389406 + ... + 740389463.
It is an arithmetic number, because the mean of its divisors is an integer number (11105841525).
Almost surely, 242942587201 is an apocalyptic number.
It is an amenable number.
42942587201 is a deficient number, since it is larger than the sum of its proper divisors (1480778899).
42942587201 is a wasteful number, since it uses less digits than its factorization.
42942587201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1480778898.
The product of its (nonzero) digits is 322560, while the sum is 44.
The spelling of 42942587201 in words is "forty-two billion, nine hundred forty-two million, five hundred eighty-seven thousand, two hundred one".
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