Base | Representation |
---|---|
bin | 111111011110101… |
… | …1101010011000000 |
3 | 12111110001020120101 |
4 | 1332331131103000 |
5 | 13330242240000 |
6 | 551210052144 |
7 | 103533020104 |
oct | 17675352300 |
9 | 5443036511 |
10 | 2130040000 |
11 | 9a3396640 |
12 | 4b541a054 |
13 | 27c3a80ca |
14 | 162c69904 |
15 | c6eece6a |
hex | 7ef5d4c0 |
2130040000 has 280 divisors, whose sum is σ = 5941698048. Its totient is φ = 750720000.
The previous prime is 2130039979. The next prime is 2130040001. The reversal of 2130040000 is 400312.
It is a Harshad number since it is a multiple of its sum of digits (10).
It is not an unprimeable number, because it can be changed into a prime (2130040001) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20679949 + ... + 20680051.
Almost surely, 22130040000 is an apocalyptic number.
2130040000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2130040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2970849024).
2130040000 is an abundant number, since it is smaller than the sum of its proper divisors (3811658048).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2130040000 is a wasteful number, since it uses less digits than its factorization.
2130040000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 193 (or 168 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 10.
The square root of 2130040000 is about 46152.3563862128. The cubic root of 2130040000 is about 1286.6564053101.
Adding to 2130040000 its reverse (400312), we get a palindrome (2130440312).
The spelling of 2130040000 in words is "two billion, one hundred thirty million, forty thousand".
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