Base | Representation |
---|---|
bin | 1111001101001… |
… | …00011010011000 |
3 | 22220000021020212 |
4 | 13212210122120 |
5 | 230123114003 |
6 | 20353510252 |
7 | 3106111115 |
oct | 746443230 |
9 | 286007225 |
10 | 127551128 |
11 | 65aaa061 |
12 | 36872388 |
13 | 2056bc53 |
14 | 12d2390c |
15 | b2e7dd8 |
hex | 79a4698 |
127551128 has 8 divisors (see below), whose sum is σ = 239158380. Its totient is φ = 63775560.
The previous prime is 127551121. The next prime is 127551139. The reversal of 127551128 is 821155721.
It is a tau number, because it is divible by the number of its divisors (8).
It is a junction number, because it is equal to n+sod(n) for n = 127551094 and 127551103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (127551121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7971938 + ... + 7971953.
Almost surely, 2127551128 is an apocalyptic number.
It is an amenable number.
127551128 is a deficient number, since it is larger than the sum of its proper divisors (111607252).
127551128 is a wasteful number, since it uses less digits than its factorization.
127551128 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15943897 (or 15943893 counting only the distinct ones).
The product of its digits is 5600, while the sum is 32.
The square root of 127551128 is about 11293.8535496083. The cubic root of 127551128 is about 503.3786223983.
The spelling of 127551128 in words is "one hundred twenty-seven million, five hundred fifty-one thousand, one hundred twenty-eight".
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