Base | Representation |
---|---|
bin | 100111010110001001… |
… | …111000011001111100 |
3 | 11001001022100110210211 |
4 | 213112021320121330 |
5 | 1143010342321340 |
6 | 31224105042204 |
7 | 3023635563301 |
oct | 472611703174 |
9 | 131038313724 |
10 | 42247620220 |
11 | 16a0a753413 |
12 | 8230786364 |
13 | 3ca3918060 |
14 | 208acc30a8 |
15 | 1173ead5ea |
hex | 9d627867c |
42247620220 has 48 divisors (see below), whose sum is σ = 95561383680. Its totient is φ = 15596384256.
The previous prime is 42247620209. The next prime is 42247620253. The reversal of 42247620220 is 2202674224.
It is a super-2 number, since 2×422476202202 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2036661 + ... + 2057299.
It is an arithmetic number, because the mean of its divisors is an integer number (1990862160).
Almost surely, 242247620220 is an apocalyptic number.
It is an amenable number.
42247620220 is an abundant number, since it is smaller than the sum of its proper divisors (53313763460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42247620220 is a wasteful number, since it uses less digits than its factorization.
42247620220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28534 (or 28532 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 31.
The spelling of 42247620220 in words is "forty-two billion, two hundred forty-seven million, six hundred twenty thousand, two hundred twenty".
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