Base | Representation |
---|---|
bin | 100111000111011001… |
… | …110010101000111000 |
3 | 11000102001122210201001 |
4 | 213013121302220320 |
5 | 1142004013221124 |
6 | 31143344334344 |
7 | 3014542144240 |
oct | 470731625070 |
9 | 130361583631 |
10 | 42000132664 |
11 | 168a2a86346 |
12 | 81819143b4 |
13 | 3c64575109 |
14 | 206609cb20 |
15 | 115c3c3b44 |
hex | 9c7672a38 |
42000132664 has 32 divisors (see below), whose sum is σ = 90109739520. Its totient is φ = 17978165856.
The previous prime is 42000132637. The next prime is 42000132679. The reversal of 42000132664 is 46623100024.
42000132664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×420001326642 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (28).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 409564 + ... + 501739.
It is an arithmetic number, because the mean of its divisors is an integer number (2815929360).
Almost surely, 242000132664 is an apocalyptic number.
It is an amenable number.
42000132664 is an abundant number, since it is smaller than the sum of its proper divisors (48109606856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42000132664 is a wasteful number, since it uses less digits than its factorization.
42000132664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 912139 (or 912135 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 28.
Adding to 42000132664 its reverse (46623100024), we get a palindrome (88623232688).
The spelling of 42000132664 in words is "forty-two billion, one hundred thirty-two thousand, six hundred sixty-four".
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