Base | Representation |
---|---|
bin | 100111001010100001… |
… | …001010100000010000 |
3 | 11000112201000002222212 |
4 | 213022201022200100 |
5 | 1142110403201242 |
6 | 31152452451252 |
7 | 3016045322510 |
oct | 471241124020 |
9 | 130481002885 |
10 | 42052397072 |
11 | 1691a533374 |
12 | 8197319b28 |
13 | 3c723440ba |
14 | 206cdc5840 |
15 | 1161c99782 |
hex | 9ca84a810 |
42052397072 has 80 divisors (see below), whose sum is σ = 99498453120. Its totient is φ = 16806610944.
The previous prime is 42052397063. The next prime is 42052397077. The reversal of 42052397072 is 27079325024.
It is not an unprimeable number, because it can be changed into a prime (42052397077) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106223 + ... + 308849.
It is an arithmetic number, because the mean of its divisors is an integer number (1243730664).
Almost surely, 242052397072 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 42052397072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49749226560).
42052397072 is an abundant number, since it is smaller than the sum of its proper divisors (57446056048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42052397072 is a wasteful number, since it uses less digits than its factorization.
42052397072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202768 (or 202762 counting only the distinct ones).
The product of its (nonzero) digits is 211680, while the sum is 41.
The spelling of 42052397072 in words is "forty-two billion, fifty-two million, three hundred ninety-seven thousand, seventy-two".
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