Base | Representation |
---|---|
bin | 101101111101001111000110… |
… | …110010110110100101100110 |
3 | 222111122111120100020122022200 |
4 | 231331033012302312211212 |
5 | 202443014133001431042 |
6 | 1553512423311235330 |
7 | 60400463002220025 |
oct | 5575170662664546 |
9 | 874574510218280 |
10 | 202120201202022 |
11 | 59446772352314 |
12 | 1a8042ba518b46 |
13 | 88a1b125c5a5c |
14 | 37ca9544328bc |
15 | 1857924a17c4c |
hex | b7d3c6cb6966 |
202120201202022 has 96 divisors (see below), whose sum is σ = 441157250888640. Its totient is φ = 66878834181120.
The previous prime is 202120201202021. The next prime is 202120201202041. The reversal of 202120201202022 is 220202102021202.
202120201202022 is a `hidden beast` number, since 202 + 120 + 20 + 120 + 202 + 2 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 202120201201986 and 202120201202004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (202120201202021) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1304993178 + ... + 1305148050.
It is an arithmetic number, because the mean of its divisors is an integer number (4595388030090).
Almost surely, 2202120201202022 is an apocalyptic number.
202120201202022 is an abundant number, since it is smaller than the sum of its proper divisors (239037049686618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
202120201202022 is a wasteful number, since it uses less digits than its factorization.
202120201202022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 156158 (or 156155 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
Adding to 202120201202022 its reverse (220202102021202), we get a palindrome (422322303223224).
The spelling of 202120201202022 in words is "two hundred two trillion, one hundred twenty billion, two hundred one million, two hundred two thousand, twenty-two".
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