Base | Representation |
---|---|
bin | 1011010010000101101… |
… | …10110011110101010111 |
3 | 1101001122022002111021011 |
4 | 11221002312303311113 |
5 | 22322421143032413 |
6 | 454031554033051 |
7 | 40002535521145 |
oct | 5510266636527 |
9 | 1331568074234 |
10 | 387668720983 |
11 | 13a455982a15 |
12 | 63171578787 |
13 | 2a73197683b |
14 | 14a9858c595 |
15 | a13e03b33d |
hex | 5a42db3d57 |
387668720983 has 8 divisors (see below), whose sum is σ = 387861954768. Its totient is φ = 387475539264.
The previous prime is 387668720981. The next prime is 387668721031. The reversal of 387668720983 is 389027866783.
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 387668720983 - 21 = 387668720981 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 (387668720981) 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, 26449285 + ... + 26463937.
It is an arithmetic number, because the mean of its divisors is an integer number (48482744346).
Almost surely, 2387668720983 is an apocalyptic number.
387668720983 is a deficient number, since it is larger than the sum of its proper divisors (193233785).
387668720983 is a wasteful number, since it uses less digits than its factorization.
387668720983 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26033.
The product of its (nonzero) digits is 146313216, while the sum is 67.
The spelling of 387668720983 in words is "three hundred eighty-seven billion, six hundred sixty-eight million, seven hundred twenty thousand, nine hundred eighty-three".
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