Base | Representation |
---|---|
bin | 1111001100000… |
… | …01000000111001 |
3 | 22212201220100211 |
4 | 13212001000321 |
5 | 230103444022 |
6 | 20350431121 |
7 | 3104635315 |
oct | 746010071 |
9 | 285656324 |
10 | 127406137 |
11 | 65a10131 |
12 | 368024a1 |
13 | 2051ac61 |
14 | 12cc6b45 |
15 | b2b9e77 |
hex | 7981039 |
127406137 has 8 divisors (see below), whose sum is σ = 128471616. Its totient is φ = 126344592.
The previous prime is 127406107. The next prime is 127406171. The reversal of 127406137 is 731604721.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-127406137 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 127406099 and 127406108.
It is not an unprimeable number, because it can be changed into a prime (127406107) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113503 + ... + 114619.
It is an arithmetic number, because the mean of its divisors is an integer number (16058952).
Almost surely, 2127406137 is an apocalyptic number.
It is an amenable number.
127406137 is a deficient number, since it is larger than the sum of its proper divisors (1065479).
127406137 is a wasteful number, since it uses less digits than its factorization.
127406137 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1967.
The product of its (nonzero) digits is 7056, while the sum is 31.
The square root of 127406137 is about 11287.4327019035. The cubic root of 127406137 is about 503.1878151424.
The spelling of 127406137 in words is "one hundred twenty-seven million, four hundred six thousand, one hundred thirty-seven".
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