Base | Representation |
---|---|
bin | 10010101100010001… |
… | …011110100100100111 |
3 | 1220210201111100021111 |
4 | 102230101132210213 |
5 | 312100423211012 |
6 | 13115312325451 |
7 | 1310233210252 |
oct | 225421364447 |
9 | 56721440244 |
10 | 20070132007 |
11 | 856a080262 |
12 | 3a81543887 |
13 | 1b7b091573 |
14 | d85740099 |
15 | 7c6ec0ba7 |
hex | 4ac45e927 |
20070132007 has 8 divisors (see below), whose sum is σ = 20181512736. Its totient is φ = 19959017472.
The previous prime is 20070131987. The next prime is 20070132023. The reversal of 20070132007 is 70023107002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-20070132007 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20070130007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85623 + ... + 217879.
It is an arithmetic number, because the mean of its divisors is an integer number (2522689092).
Almost surely, 220070132007 is an apocalyptic number.
20070132007 is a deficient number, since it is larger than the sum of its proper divisors (111380729).
20070132007 is a wasteful number, since it uses less digits than its factorization.
20070132007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 133097.
The product of its (nonzero) digits is 588, while the sum is 22.
Adding to 20070132007 its reverse (70023107002), we get a palindrome (90093239009).
The spelling of 20070132007 in words is "twenty billion, seventy million, one hundred thirty-two thousand, seven".
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