Base | Representation |
---|---|
bin | 1001001001100100101001… |
… | …00111100011101011101010 |
3 | 2122020110112202211112021222 |
4 | 10210302110213203223222 |
5 | 10114122001233242302 |
6 | 110443020003102042 |
7 | 4144426223001113 |
oct | 444622447435352 |
9 | 78213482745258 |
10 | 20120120212202 |
11 | 645799336938a |
12 | 230b4b7671922 |
13 | b2c41c36a78a |
14 | 4d7b6753720a |
15 | 24d585684da2 |
hex | 124c949e3aea |
20120120212202 has 64 divisors (see below), whose sum is σ = 31627931811840. Its totient is φ = 9591547478400.
The previous prime is 20120120212189. The next prime is 20120120212223. The reversal of 20120120212202 is 20221202102102.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 644219927 + ... + 644251157.
It is an arithmetic number, because the mean of its divisors is an integer number (494186434560).
Almost surely, 220120120212202 is an apocalyptic number.
20120120212202 is a deficient number, since it is larger than the sum of its proper divisors (11507811599638).
20120120212202 is a wasteful number, since it uses less digits than its factorization.
20120120212202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32379.
The product of its (nonzero) digits is 128, while the sum is 17.
Adding to 20120120212202 its reverse (20221202102102), we get a palindrome (40341322314304).
The spelling of 20120120212202 in words is "twenty trillion, one hundred twenty billion, one hundred twenty million, two hundred twelve thousand, two hundred two".
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