Base | Representation |
---|---|
bin | 1110100011101… |
… | …00111011101011 |
3 | 22111210000121021 |
4 | 13101310323223 |
5 | 222230120041 |
6 | 20041153311 |
7 | 3011643553 |
oct | 721647353 |
9 | 274700537 |
10 | 122113771 |
11 | 62a2597a |
12 | 34a8b837 |
13 | 1c3b7090 |
14 | 1230a163 |
15 | aac1cd1 |
hex | 7474eeb |
122113771 has 12 divisors (see below), whose sum is σ = 139702192. Its totient is φ = 106086528.
The previous prime is 122113753. The next prime is 122113781. The reversal of 122113771 is 177311221.
It is not a de Polignac number, because 122113771 - 29 = 122113259 is a prime.
It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (122113711) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12495 + ... + 20008.
Almost surely, 2122113771 is an apocalyptic number.
122113771 is a deficient number, since it is larger than the sum of its proper divisors (17588421).
122113771 is a wasteful number, since it uses less digits than its factorization.
122113771 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32550 (or 32533 counting only the distinct ones).
The product of its digits is 588, while the sum is 25.
The square root of 122113771 is about 11050.5099882313. The cubic root of 122113771 is about 496.1216898674.
Adding to 122113771 its reverse (177311221), we get a palindrome (299424992).
The spelling of 122113771 in words is "one hundred twenty-two million, one hundred thirteen thousand, seven hundred seventy-one".
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