Base | Representation |
---|---|
bin | 1011010010001000010… |
… | …10101101011000100100 |
3 | 1101001200211110212220210 |
4 | 11221010022231120210 |
5 | 22322442310332120 |
6 | 454034101255420 |
7 | 40003223462514 |
oct | 5510412553044 |
9 | 1331624425823 |
10 | 387690714660 |
11 | 13a467335107 |
12 | 63178a04570 |
13 | 2a7363a7552 |
14 | 14a9b475844 |
15 | a140e32ce0 |
hex | 5a442ad624 |
387690714660 has 48 divisors (see below), whose sum is σ = 1085589086400. Its totient is φ = 103378944384.
The previous prime is 387690714583. The next prime is 387690714673. The reversal of 387690714660 is 66417096783.
It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 387690714660.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1110126 + ... + 1416954.
It is an arithmetic number, because the mean of its divisors is an integer number (22616439300).
Almost surely, 2387690714660 is an apocalyptic number.
387690714660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
387690714660 is an abundant number, since it is smaller than the sum of its proper divisors (697898371740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
387690714660 is a wasteful number, since it uses less digits than its factorization.
387690714660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 327900 (or 327898 counting only the distinct ones).
The product of its (nonzero) digits is 9144576, while the sum is 57.
The spelling of 387690714660 in words is "three hundred eighty-seven billion, six hundred ninety million, seven hundred fourteen thousand, six hundred sixty".
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