Base | Representation |
---|---|
bin | 101101111101000111101011… |
… | …000101011100010010011100 |
3 | 222111121201222010102200022101 |
4 | 231331013223011130102130 |
5 | 202442401311322321340 |
6 | 1553505023325054444 |
7 | 60400061141151664 |
oct | 5575075305342234 |
9 | 874551863380271 |
10 | 202112220120220 |
11 | 59443347226443 |
12 | 1a8028516b7424 |
13 | 88a113cc77847 |
14 | 37ca3d84911a4 |
15 | 1857609007c9a |
hex | b7d1eb15c49c |
202112220120220 has 96 divisors (see below), whose sum is σ = 433326657210048. Its totient is φ = 79170672402432.
The previous prime is 202112220120169. The next prime is 202112220120259. The reversal of 202112220120220 is 22021022211202.
It is a congruent 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, 176495014 + ... + 177636466.
It is an arithmetic number, because the mean of its divisors is an integer number (4513819345938).
Almost surely, 2202112220120220 is an apocalyptic number.
202112220120220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
202112220120220 is an abundant number, since it is smaller than the sum of its proper divisors (231214437089828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202112220120220 is a wasteful number, since it uses less digits than its factorization.
202112220120220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1142519 (or 1142517 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 19.
Adding to 202112220120220 its reverse (22021022211202), we get a palindrome (224133242331422).
The spelling of 202112220120220 in words is "two hundred two trillion, one hundred twelve billion, two hundred twenty million, one hundred twenty thousand, two hundred twenty".
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