Base | Representation |
---|---|
bin | 11011101111010111010101… |
… | …000010011010010100100001 |
3 | 120222222021210112012022200201 |
4 | 123233113111002122110201 |
5 | 111442340320234100420 |
6 | 1111251000021345201 |
7 | 34461235162241353 |
oct | 3357272502322441 |
9 | 528867715168621 |
10 | 122002120221985 |
11 | 35967899305173 |
12 | 118249b3268201 |
13 | 530c99b00c363 |
14 | 221ad113510d3 |
15 | e1884d84210a |
hex | 6ef5d509a521 |
122002120221985 has 16 divisors (see below), whose sum is σ = 147308732697600. Its totient is φ = 96998707206720.
The previous prime is 122002120221953. The next prime is 122002120222007. The reversal of 122002120221985 is 589122021200221.
It is not a de Polignac number, because 122002120221985 - 25 = 122002120221953 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70181406 + ... + 71898775.
It is an arithmetic number, because the mean of its divisors is an integer number (9206795793600).
Almost surely, 2122002120221985 is an apocalyptic number.
It is an amenable number.
122002120221985 is a deficient number, since it is larger than the sum of its proper divisors (25306612475615).
122002120221985 is a wasteful number, since it uses less digits than its factorization.
122002120221985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 142081248.
The product of its (nonzero) digits is 23040, while the sum is 37.
The spelling of 122002120221985 in words is "one hundred twenty-two trillion, two billion, one hundred twenty million, two hundred twenty-one thousand, nine hundred eighty-five".
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