Base | Representation |
---|---|
bin | 1011100111111001… |
… | …0110011111100100 |
3 | 22001110002000202010 |
4 | 2321332112133210 |
5 | 22342223130040 |
6 | 1233335114220 |
7 | 140214444660 |
oct | 27176263744 |
9 | 8043060663 |
10 | 3120130020 |
11 | 1361260957 |
12 | 730b12970 |
13 | 3a95556a7 |
14 | 2185578a0 |
15 | 133dc2e80 |
hex | b9f967e4 |
3120130020 has 96 divisors (see below), whose sum is σ = 10571758848. Its totient is φ = 671219712.
The previous prime is 3120129997. The next prime is 3120130093. The reversal of 3120130020 is 200310213.
It is a happy number.
It is a super-2 number, since 2×31201300202 = 19470422683410400800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a junction number, because it is equal to n+sod(n) for n = 3120129978 and 3120130005.
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, 211357 + ... + 225636.
It is an arithmetic number, because the mean of its divisors is an integer number (110122488).
Almost surely, 23120130020 is an apocalyptic number.
3120130020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
3120130020 is an abundant number, since it is smaller than the sum of its proper divisors (7451628828).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3120130020 is a wasteful number, since it uses less digits than its factorization.
3120130020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 437029 (or 437027 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 12.
The square root of 3120130020 is about 55858.1240286496. The cubic root of 3120130020 is about 1461.2490124962.
Adding to 3120130020 its reverse (200310213), we get a palindrome (3320440233).
The spelling of 3120130020 in words is "three billion, one hundred twenty million, one hundred thirty thousand, twenty".
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