Base | Representation |
---|---|
bin | 1111001001110… |
… | …01010101011100 |
3 | 22212011222121212 |
4 | 13210321111130 |
5 | 230020100130 |
6 | 20340243552 |
7 | 3102303332 |
oct | 744712534 |
9 | 285158555 |
10 | 127112540 |
11 | 6582a595 |
12 | 366a05b8 |
13 | 20447429 |
14 | 12c4bb52 |
15 | b25ce95 |
hex | 793955c |
127112540 has 24 divisors (see below), whose sum is σ = 269583552. Its totient is φ = 50340800.
The previous prime is 127112537. The next prime is 127112543. The reversal of 127112540 is 45211721.
It is an interprime number because it is at equal distance from previous prime (127112537) and next prime (127112543).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127112543) 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, 29444 + ... + 33483.
It is an arithmetic number, because the mean of its divisors is an integer number (11232648).
Almost surely, 2127112540 is an apocalyptic number.
127112540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
127112540 is an abundant number, since it is smaller than the sum of its proper divisors (142471012).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
127112540 is a wasteful number, since it uses less digits than its factorization.
127112540 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63037 (or 63035 counting only the distinct ones).
The product of its (nonzero) digits is 560, while the sum is 23.
The square root of 127112540 is about 11274.4197189922. The cubic root of 127112540 is about 502.8009995029.
It can be divided in two parts, 12711 and 2540, that added together give a palindrome (15251).
The spelling of 127112540 in words is "one hundred twenty-seven million, one hundred twelve thousand, five hundred forty".
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