Base | Representation |
---|---|
bin | 1011010010101111… |
… | …1111010101111000 |
3 | 21211021011121220110 |
4 | 2310223333111320 |
5 | 22202021234040 |
6 | 1220450024320 |
7 | 135056506566 |
oct | 26453772570 |
9 | 7737147813 |
10 | 3031430520 |
11 | 1316188688 |
12 | 7072780a0 |
13 | 39406a691 |
14 | 20a868a36 |
15 | 12b201980 |
hex | b4aff578 |
3031430520 has 64 divisors (see below), whose sum is σ = 9097920000. Its totient is φ = 808059008.
The previous prime is 3031430473. The next prime is 3031430533. The reversal of 3031430520 is 250341303.
It is a congruent number.
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, 558781 + ... + 564179.
It is an arithmetic number, because the mean of its divisors is an integer number (142155000).
Almost surely, 23031430520 is an apocalyptic number.
3031430520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
3031430520 is an abundant number, since it is smaller than the sum of its proper divisors (6066489480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3031430520 is a wasteful number, since it uses less digits than its factorization.
3031430520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10092 (or 10088 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 21.
The square root of 3031430520 is about 55058.4282376459. The cubic root of 3031430520 is about 1447.2688216034.
Adding to 3031430520 its reverse (250341303), we get a palindrome (3281771823).
The spelling of 3031430520 in words is "three billion, thirty-one million, four hundred thirty thousand, five hundred twenty".
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