Base | Representation |
---|---|
bin | 1111001100001… |
… | …00011010101011 |
3 | 22212202121111001 |
4 | 13212010122223 |
5 | 230104420300 |
6 | 20351015431 |
7 | 3105024046 |
oct | 746043253 |
9 | 285677431 |
10 | 127420075 |
11 | 65a1a652 |
12 | 3680a577 |
13 | 205243c3 |
14 | 12ccbc5d |
15 | b2be16a |
hex | 79846ab |
127420075 has 12 divisors (see below), whose sum is σ = 163098688. Its totient is φ = 98647200.
The previous prime is 127420063. The next prime is 127420093. The reversal of 127420075 is 570024721.
It is not a de Polignac number, because 127420075 - 217 = 127289003 is a prime.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81432 + ... + 82981.
Almost surely, 2127420075 is an apocalyptic number.
127420075 is a deficient number, since it is larger than the sum of its proper divisors (35678613).
127420075 is a wasteful number, since it uses less digits than its factorization.
127420075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164454 (or 164449 counting only the distinct ones).
The product of its (nonzero) digits is 3920, while the sum is 28.
The square root of 127420075 is about 11288.0500973374. The cubic root of 127420075 is about 503.2061637510.
Adding to 127420075 its reverse (570024721), we get a palindrome (697444796).
The spelling of 127420075 in words is "one hundred twenty-seven million, four hundred twenty thousand, seventy-five".
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