Base | Representation |
---|---|
bin | 1110100011010… |
… | …10010100100111 |
3 | 22111200210222122 |
4 | 13101222110213 |
5 | 222222222221 |
6 | 20040220155 |
7 | 3011403056 |
oct | 721522447 |
9 | 274623878 |
10 | 122070311 |
11 | 629a6260 |
12 | 34a6a65b |
13 | 1c3a036c |
14 | 122d839d |
15 | aab3eab |
hex | 746a527 |
122070311 has 4 divisors (see below), whose sum is σ = 133167624. Its totient is φ = 110973000.
The previous prime is 122070283. The next prime is 122070323. The reversal of 122070311 is 113070221.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113070221 = 11 ⋅10279111.
It is a cyclic number.
It is not a de Polignac number, because 122070311 - 214 = 122053927 is a prime.
It is a Duffinian number.
It is a nialpdrome in base 5.
It is a self number, because there is not a number n which added to its sum of digits gives 122070311.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122070811) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5548640 + ... + 5548661.
It is an arithmetic number, because the mean of its divisors is an integer number (33291906).
Almost surely, 2122070311 is an apocalyptic number.
122070311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
122070311 is a deficient number, since it is larger than the sum of its proper divisors (11097313).
122070311 is a wasteful number, since it uses less digits than its factorization.
122070311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11097312.
The product of its (nonzero) digits is 84, while the sum is 17.
The square root of 122070311 is about 11048.5433881576. The cubic root of 122070311 is about 496.0628267082.
The spelling of 122070311 in words is "one hundred twenty-two million, seventy thousand, three hundred eleven".
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