Base | Representation |
---|---|
bin | 10010101100111000… |
… | …100110011110100111 |
3 | 1220211102210101212100 |
4 | 102230320212132213 |
5 | 312111034404012 |
6 | 13120320223143 |
7 | 1310416324161 |
oct | 225470463647 |
9 | 56742711770 |
10 | 20080388007 |
11 | 8574945799 |
12 | 3a84a6aab3 |
13 | 1b802427c4 |
14 | d86c4d931 |
15 | 7c7d498dc |
hex | 4ace267a7 |
20080388007 has 6 divisors (see below), whose sum is σ = 29005004912. Its totient is φ = 13386925332.
The previous prime is 20080387991. The next prime is 20080388039. The reversal of 20080388007 is 70088308002.
It is not a de Polignac number, because 20080388007 - 24 = 20080387991 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 (20080388087) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1115577103 + ... + 1115577120.
Almost surely, 220080388007 is an apocalyptic number.
20080388007 is a deficient number, since it is larger than the sum of its proper divisors (8924616905).
20080388007 is a wasteful number, since it uses less digits than its factorization.
20080388007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2231154229 (or 2231154226 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The spelling of 20080388007 in words is "twenty billion, eighty million, three hundred eighty-eight thousand, seven".
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