Base | Representation |
---|---|
bin | 1011010000110111010… |
… | …10100010100000101000 |
3 | 1100222221110211121021011 |
4 | 11220123222202200220 |
5 | 22320044331132442 |
6 | 453442424553304 |
7 | 36650332601443 |
oct | 5503352424050 |
9 | 1328843747234 |
10 | 387011192872 |
11 | 13a148802357 |
12 | 63009322834 |
13 | 2a658688155 |
14 | 14a3510c65a |
15 | a101458117 |
hex | 5a1baa2828 |
387011192872 has 16 divisors (see below), whose sum is σ = 726313570560. Its totient is φ = 193327574064.
The previous prime is 387011192851. The next prime is 387011192903. The reversal of 387011192872 is 278291110783.
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, 22243558 + ... + 22260949.
It is an arithmetic number, because the mean of its divisors is an integer number (45394598160).
Almost surely, 2387011192872 is an apocalyptic number.
It is an amenable number.
387011192872 is a deficient number, since it is larger than the sum of its proper divisors (339302377688).
387011192872 is a wasteful number, since it uses less digits than its factorization.
387011192872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 44505600 (or 44505596 counting only the distinct ones).
The product of its (nonzero) digits is 338688, while the sum is 49.
The spelling of 387011192872 in words is "three hundred eighty-seven billion, eleven million, one hundred ninety-two thousand, eight hundred seventy-two".
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