Base | Representation |
---|---|
bin | 111000111010010010… |
… | …1101000001000010101 |
3 | 102200110101021121101001 |
4 | 1301310211220020111 |
5 | 4000244031330140 |
6 | 132051141503301 |
7 | 11554414152415 |
oct | 1616445501025 |
9 | 380411247331 |
10 | 122215105045 |
11 | 47916271350 |
12 | 1b829711b31 |
13 | b6a90a7107 |
14 | 5cb55d6645 |
15 | 32a46a7e9a |
hex | 1c74968215 |
122215105045 has 16 divisors (see below), whose sum is σ = 161574756480. Its totient is φ = 88003672000.
The previous prime is 122215105027. The next prime is 122215105049. The reversal of 122215105045 is 540501512221.
It is not a de Polignac number, because 122215105045 - 25 = 122215105013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122215105049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10994905 + ... + 11006014.
It is an arithmetic number, because the mean of its divisors is an integer number (10098422280).
Almost surely, 2122215105045 is an apocalyptic number.
It is an amenable number.
122215105045 is a deficient number, since it is larger than the sum of its proper divisors (39359651435).
122215105045 is a wasteful number, since it uses less digits than its factorization.
122215105045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22001036.
The product of its (nonzero) digits is 4000, while the sum is 28.
Adding to 122215105045 its reverse (540501512221), we get a palindrome (662716617266).
The spelling of 122215105045 in words is "one hundred twenty-two billion, two hundred fifteen million, one hundred five thousand, forty-five".
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