Base | Representation |
---|---|
bin | 10000010110110… |
… | …00010011110001 |
3 | 100120011112020010 |
4 | 20023120103301 |
5 | 240110412011 |
6 | 21340405133 |
7 | 3254121366 |
oct | 1013302361 |
9 | 316145203 |
10 | 137200881 |
11 | 704a0064 |
12 | 39b467a9 |
13 | 2256a26c |
14 | 1431646d |
15 | c0a21a6 |
hex | 82d84f1 |
137200881 has 8 divisors (see below), whose sum is σ = 192562720. Its totient is φ = 86653152.
The previous prime is 137200859. The next prime is 137200891. The reversal of 137200881 is 188002731.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 137200881 - 29 = 137200369 is a prime.
It is a super-5 number, since 5×1372008815 (a number of 42 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.
It is not an unprimeable number, because it can be changed into a prime (137200891) 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, 1203460 + ... + 1203573.
It is an arithmetic number, because the mean of its divisors is an integer number (24070340).
Almost surely, 2137200881 is an apocalyptic number.
It is an amenable number.
137200881 is a deficient number, since it is larger than the sum of its proper divisors (55361839).
137200881 is a wasteful number, since it uses less digits than its factorization.
137200881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2407055.
The product of its (nonzero) digits is 2688, while the sum is 30.
The square root of 137200881 is about 11713.2779784311. The cubic root of 137200881 is about 515.7655137637.
The spelling of 137200881 in words is "one hundred thirty-seven million, two hundred thousand, eight hundred eighty-one".
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