Base | Representation |
---|---|
bin | 111111111111101111… |
… | …0111010110111000000 |
3 | 111010201202022122220000 |
4 | 1333333132322313000 |
5 | 4222424123003124 |
6 | 143045023520000 |
7 | 12633436056054 |
oct | 1777736726700 |
9 | 433652278800 |
10 | 137430281664 |
11 | 533138a1785 |
12 | 22775159000 |
13 | cc623922c0 |
14 | 691a22dc64 |
15 | 38953236c9 |
hex | 1fff7badc0 |
137430281664 has 140 divisors (see below), whose sum is σ = 438724038984. Its totient is φ = 42286219776.
The previous prime is 137430281663. The next prime is 137430281687. The reversal of 137430281664 is 466182034731.
137430281664 is a `hidden beast` number, since 1 + 37 + 430 + 28 + 166 + 4 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (137430281663) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 952242 + ... + 1087025.
Almost surely, 2137430281664 is an apocalyptic number.
It is an amenable number.
137430281664 is an abundant number, since it is smaller than the sum of its proper divisors (301293757320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
137430281664 is a wasteful number, since it uses less digits than its factorization.
137430281664 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2039304 (or 2039285 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 45.
The spelling of 137430281664 in words is "one hundred thirty-seven billion, four hundred thirty million, two hundred eighty-one thousand, six hundred sixty-four".
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