Base | Representation |
---|---|
bin | 111011111101110101… |
… | …001110111101011100 |
3 | 20011012022122001011120 |
4 | 323331311032331130 |
5 | 2023331330221300 |
6 | 45325101050540 |
7 | 4436412045333 |
oct | 737565167534 |
9 | 204168561146 |
10 | 64388132700 |
11 | 25341471111 |
12 | 1058b556a50 |
13 | 60c18c6708 |
14 | 318b59cd1a |
15 | 1a1cae53a0 |
hex | efdd4ef5c |
64388132700 has 36 divisors (see below), whose sum is σ = 186296331480. Its totient is φ = 17170168640.
The previous prime is 64388132693. The next prime is 64388132741. The reversal of 64388132700 is 723188346.
It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 107313255 + ... + 107313854.
Almost surely, 264388132700 is an apocalyptic number.
64388132700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.
It is an amenable number.
64388132700 is an abundant number, since it is smaller than the sum of its proper divisors (121908198780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64388132700 is a wasteful number, since it uses less digits than its factorization.
64388132700 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 214627126 (or 214627119 counting only the distinct ones).
The product of its (nonzero) digits is 193536, while the sum is 42.
The spelling of 64388132700 in words is "sixty-four billion, three hundred eighty-eight million, one hundred thirty-two thousand, seven hundred".
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