Base | Representation |
---|---|
bin | 101000001011011111… |
… | …110110100101100110 |
3 | 11010100200100202101111 |
4 | 220023133312211212 |
5 | 1201323444304030 |
6 | 31452555015234 |
7 | 3055053546301 |
oct | 501337664546 |
9 | 133320322344 |
10 | 43142572390 |
11 | 17329948205 |
12 | 844043a51a |
13 | 40b7164c58 |
14 | 2133ac7b38 |
15 | 11c783e62a |
hex | a0b7f6966 |
43142572390 has 64 divisors (see below), whose sum is σ = 82817899200. Its totient is φ = 16150288896.
The previous prime is 43142572387. The next prime is 43142572423. The reversal of 43142572390 is 9327524134.
It is a super-2 number, since 2×431425723902 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2878897 + ... + 2893843.
It is an arithmetic number, because the mean of its divisors is an integer number (1294029675).
Almost surely, 243142572390 is an apocalyptic number.
43142572390 is a deficient number, since it is larger than the sum of its proper divisors (39675326810).
43142572390 is a wasteful number, since it uses less digits than its factorization.
43142572390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15289.
The product of its (nonzero) digits is 181440, while the sum is 40.
The spelling of 43142572390 in words is "forty-three billion, one hundred forty-two million, five hundred seventy-two thousand, three hundred ninety".
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