Base | Representation |
---|---|
bin | 111000110101000101… |
… | …0011110011010100001 |
3 | 102200000012012021121102 |
4 | 1301222022132122201 |
5 | 3444414243341301 |
6 | 132021533204145 |
7 | 11550161466452 |
oct | 1615212363241 |
9 | 380005167542 |
10 | 122040215201 |
11 | 47836579a93 |
12 | 1b79b030655 |
13 | b67baa21b8 |
14 | 5c9a2ad129 |
15 | 329415db6b |
hex | 1c6a29e6a1 |
122040215201 has 4 divisors (see below), whose sum is σ = 122048164032. Its totient is φ = 122032266372.
The previous prime is 122040215189. The next prime is 122040215293. The reversal of 122040215201 is 102512040221.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 122040215201 - 230 = 120966473377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (122040215701) 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, 3951341 + ... + 3982106.
It is an arithmetic number, because the mean of its divisors is an integer number (30512041008).
Almost surely, 2122040215201 is an apocalyptic number.
It is an amenable number.
122040215201 is a deficient number, since it is larger than the sum of its proper divisors (7948831).
122040215201 is an equidigital number, since it uses as much as digits as its factorization.
122040215201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7948830.
The product of its (nonzero) digits is 320, while the sum is 20.
Adding to 122040215201 its reverse (102512040221), we get a palindrome (224552255422).
The spelling of 122040215201 in words is "one hundred twenty-two billion, forty million, two hundred fifteen thousand, two hundred one".
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