Base | Representation |
---|---|
bin | 101000101101110110… |
… | …1101111110110010010 |
3 | 22100200201010221001102 |
4 | 1101123231233312102 |
5 | 2413033121040132 |
6 | 104100221104402 |
7 | 6213540201266 |
oct | 1213355576622 |
9 | 270621127042 |
10 | 87438065042 |
11 | 3409a565479 |
12 | 14b429b8102 |
13 | 8326119233 |
14 | 43369680a6 |
15 | 241b4b9c62 |
hex | 145bb6fd92 |
87438065042 has 8 divisors (see below), whose sum is σ = 131259648000. Its totient is φ = 43684849044.
The previous prime is 87438064991. The next prime is 87438065111. The reversal of 87438065042 is 24056083478.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17088542 + ... + 17093657.
It is an arithmetic number, because the mean of its divisors is an integer number (16407456000).
Almost surely, 287438065042 is an apocalyptic number.
87438065042 is a deficient number, since it is larger than the sum of its proper divisors (43821582958).
87438065042 is a wasteful number, since it uses less digits than its factorization.
87438065042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34183480.
The product of its (nonzero) digits is 1290240, while the sum is 47.
The spelling of 87438065042 in words is "eighty-seven billion, four hundred thirty-eight million, sixty-five thousand, forty-two".
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