Base | Representation |
---|---|
bin | 111100100000001… |
… | …1001000100110000 |
3 | 12020111002002112200 |
4 | 1321000121010300 |
5 | 13124204131330 |
6 | 533241023200 |
7 | 101210645352 |
oct | 17100310460 |
9 | 5214062480 |
10 | 2030145840 |
11 | 951a67688 |
12 | 487a84b00 |
13 | 2647a0838 |
14 | 1538a50d2 |
15 | bd369a60 |
hex | 79019130 |
2030145840 has 60 divisors (see below), whose sum is σ = 6817908864. Its totient is φ = 541372032.
The previous prime is 2030145827. The next prime is 2030145889. The reversal of 2030145840 is 485410302.
2030145840 is a `hidden beast` number, since 203 + 0 + 1 + 458 + 4 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (60).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1409104 + ... + 1410543.
Almost surely, 22030145840 is an apocalyptic number.
2030145840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2030145840 is an abundant number, since it is smaller than the sum of its proper divisors (4787763024).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2030145840 is a wasteful number, since it uses less digits than its factorization.
2030145840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2819666 (or 2819657 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 27.
The square root of 2030145840 is about 45057.1397228009. The cubic root of 2030145840 is about 1266.2197382931.
The spelling of 2030145840 in words is "two billion, thirty million, one hundred forty-five thousand, eight hundred forty".
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