Base | Representation |
---|---|
bin | 10010101000010000… |
… | …010010000110001101 |
3 | 1220122000121221112110 |
4 | 102220100102012031 |
5 | 311431143204101 |
6 | 13104503254233 |
7 | 1305454141326 |
oct | 225020220615 |
9 | 56560557473 |
10 | 20002709901 |
11 | 8535010009 |
12 | 3a62a4a379 |
13 | 1b6a116225 |
14 | d7a7cd44d |
15 | 7c1103cd6 |
hex | 4a841218d |
20002709901 has 16 divisors (see below), whose sum is σ = 27025165440. Its totient is φ = 13158620160.
The previous prime is 20002709869. The next prime is 20002709929. The reversal of 20002709901 is 10990720002.
It is not a de Polignac number, because 20002709901 - 25 = 20002709869 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20002709941) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28356 + ... + 202013.
It is an arithmetic number, because the mean of its divisors is an integer number (1689072840).
Almost surely, 220002709901 is an apocalyptic number.
It is an amenable number.
20002709901 is a deficient number, since it is larger than the sum of its proper divisors (7022455539).
20002709901 is a wasteful number, since it uses less digits than its factorization.
20002709901 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 230756.
The product of its (nonzero) digits is 2268, while the sum is 30.
The spelling of 20002709901 in words is "twenty billion, two million, seven hundred nine thousand, nine hundred one".
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