Base | Representation |
---|---|
bin | 10001100011010100010… |
… | …001000111110101100100 |
3 | 11021022021210222020022012 |
4 | 101203110101013311210 |
5 | 124230144414214340 |
6 | 2322033145253352 |
7 | 153066400462133 |
oct | 21432421076544 |
9 | 4238253866265 |
10 | 1206152101220 |
11 | 425587464870 |
12 | 175915a94258 |
13 | 89980039ba1 |
14 | 4254160b91a |
15 | 21594d6a565 |
hex | 118d4447d64 |
1206152101220 has 48 divisors (see below), whose sum is σ = 2780784796608. Its totient is φ = 435807116160.
The previous prime is 1206152101213. The next prime is 1206152101237. The reversal of 1206152101220 is 221012516021.
It is a super-2 number, since 2×12061521012202 (a number of 25 digits) contains 22 as substring.
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, 17425682 + ... + 17494761.
It is an arithmetic number, because the mean of its divisors is an integer number (57933016596).
Almost surely, 21206152101220 is an apocalyptic number.
1206152101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1206152101220 is an abundant number, since it is smaller than the sum of its proper divisors (1574632695388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1206152101220 is a wasteful number, since it uses less digits than its factorization.
1206152101220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34920620 (or 34920618 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 23.
Adding to 1206152101220 its reverse (221012516021), we get a palindrome (1427164617241).
The spelling of 1206152101220 in words is "one trillion, two hundred six billion, one hundred fifty-two million, one hundred one thousand, two hundred twenty".
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