Base | Representation |
---|---|
bin | 111001001011111001… |
… | …1010001000100000100 |
3 | 102201222112221020120020 |
4 | 1302113303101010010 |
5 | 4003001301230030 |
6 | 132225524135140 |
7 | 11605146532503 |
oct | 1622763210404 |
9 | 381875836506 |
10 | 122805883140 |
11 | 480997a0706 |
12 | 1b9735374b0 |
13 | b7715c4355 |
14 | 5d2dc5c83a |
15 | 32db4a3510 |
hex | 1c97cd1104 |
122805883140 has 48 divisors (see below), whose sum is σ = 344003376192. Its totient is φ = 32734244736.
The previous prime is 122805883121. The next prime is 122805883141. The reversal of 122805883140 is 41388508221.
It is a junction number, because it is equal to n+sod(n) for n = 122805883092 and 122805883101.
It is not an unprimeable number, because it can be changed into a prime (122805883141) 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, 295219 + ... + 576858.
It is an arithmetic number, because the mean of its divisors is an integer number (7166737004).
Almost surely, 2122805883140 is an apocalyptic number.
122805883140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
122805883140 is an abundant number, since it is smaller than the sum of its proper divisors (221197493052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122805883140 is a wasteful number, since it uses less digits than its factorization.
122805883140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 874436 (or 874434 counting only the distinct ones).
The product of its (nonzero) digits is 122880, while the sum is 42.
The spelling of 122805883140 in words is "one hundred twenty-two billion, eight hundred five million, eight hundred eighty-three thousand, one hundred forty".
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