Base | Representation |
---|---|
bin | 100111011001001001… |
… | …101001001111001100 |
3 | 11001011210221102121220 |
4 | 213121021221033030 |
5 | 1143111224432430 |
6 | 31233102323340 |
7 | 3025116062541 |
oct | 473111511714 |
9 | 131153842556 |
10 | 42297889740 |
11 | 16a36068677 |
12 | 8245589550 |
13 | 3cb1169032 |
14 | 209384abc8 |
15 | 11785dd110 |
hex | 9d92693cc |
42297889740 has 48 divisors (see below), whose sum is σ = 119095764480. Its totient is φ = 11216420800.
The previous prime is 42297889649. The next prime is 42297889783. The reversal of 42297889740 is 4798879224.
42297889740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×422978897402 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (60).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1958436 + ... + 1979915.
It is an arithmetic number, because the mean of its divisors is an integer number (2481161760).
Almost surely, 242297889740 is an apocalyptic number.
It is an amenable number.
42297889740 is an abundant number, since it is smaller than the sum of its proper divisors (76797874740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42297889740 is a wasteful number, since it uses less digits than its factorization.
42297889740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3938542 (or 3938540 counting only the distinct ones).
The product of its (nonzero) digits is 16257024, while the sum is 60.
The spelling of 42297889740 in words is "forty-two billion, two hundred ninety-seven million, eight hundred eighty-nine thousand, seven hundred forty".
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