Base | Representation |
---|---|
bin | 10010101111001111… |
… | …101101101000111011 |
3 | 1220221012022221210022 |
4 | 102233033231220323 |
5 | 312201210013313 |
6 | 13124253241055 |
7 | 1311410121200 |
oct | 225717555073 |
9 | 56835287708 |
10 | 20120001083 |
11 | 8595241676 |
12 | 3a9619318b |
13 | 1b885021b0 |
14 | d8c201ca7 |
15 | 7cb571c08 |
hex | 4af3eda3b |
20120001083 has 24 divisors (see below), whose sum is σ = 26018375040. Its totient is φ = 15405586560.
The previous prime is 20120001079. The next prime is 20120001103. The reversal of 20120001083 is 38010002102.
It is not a de Polignac number, because 20120001083 - 22 = 20120001079 is a prime.
It is not an unprimeable number, because it can be changed into a prime (20120001073) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489698 + ... + 529191.
It is an arithmetic number, because the mean of its divisors is an integer number (1084098960).
Almost surely, 220120001083 is an apocalyptic number.
20120001083 is a deficient number, since it is larger than the sum of its proper divisors (5898373957).
20120001083 is a wasteful number, since it uses less digits than its factorization.
20120001083 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1018947 (or 1018940 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 20120001083 its reverse (38010002102), we get a palindrome (58130003185).
The spelling of 20120001083 in words is "twenty billion, one hundred twenty million, one thousand, eighty-three".
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