Base | Representation |
---|---|
bin | 1001001011111011101100… |
… | …00100111100110101000110 |
3 | 2122112012212012201110010000 |
4 | 10211331312010330311012 |
5 | 10121434040310433220 |
6 | 110544150405542130 |
7 | 4153326604355256 |
oct | 445756604746506 |
9 | 78465765643100 |
10 | 20201212202310 |
11 | 6489316709827 |
12 | 2323169114946 |
13 | b36c737aa489 |
14 | 4dba5b327966 |
15 | 25072e956390 |
hex | 125f7613cd46 |
20201212202310 has 40 divisors (see below), whose sum is σ = 54318815035056. Its totient is φ = 5386989920400.
The previous prime is 20201212202257. The next prime is 20201212202323. The reversal of 20201212202310 is 1320221210202.
20201212202310 is a `hidden beast` number, since 2 + 0 + 201 + 212 + 20 + 231 + 0 = 666.
It is a super-2 number, since 2×202012122023102 (a number of 27 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12469883266 + ... + 12469884885.
Almost surely, 220201212202310 is an apocalyptic number.
20201212202310 is an abundant number, since it is smaller than the sum of its proper divisors (34117602832746).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20201212202310 is a wasteful number, since it uses less digits than its factorization.
20201212202310 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24939768170 (or 24939768161 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 18.
Adding to 20201212202310 its reverse (1320221210202), we get a palindrome (21521433412512).
The spelling of 20201212202310 in words is "twenty trillion, two hundred one billion, two hundred twelve million, two hundred two thousand, three hundred ten".
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