Base | Representation |
---|---|
bin | 11100000010000110… |
… | …110110001000100101 |
3 | 2212200201200112100000 |
4 | 130002012312020211 |
5 | 443121112320401 |
6 | 21454450011513 |
7 | 2113623541122 |
oct | 340206661045 |
9 | 85621615300 |
10 | 30100120101 |
11 | 11846807817 |
12 | 5a00576b99 |
13 | 2ab904b46c |
14 | 165786b749 |
15 | bb2804186 |
hex | 7021b6225 |
30100120101 has 12 divisors (see below), whose sum is σ = 45088246112. Its totient is φ = 20066746572.
The previous prime is 30100120073. The next prime is 30100120109. The reversal of 30100120101 is 10102100103.
It is not a de Polignac number, because 30100120101 - 233 = 21510185509 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30100120109) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61934161 + ... + 61934646.
Almost surely, 230100120101 is an apocalyptic number.
It is an amenable number.
30100120101 is a deficient number, since it is larger than the sum of its proper divisors (14988126011).
30100120101 is an equidigital number, since it uses as much as digits as its factorization.
30100120101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 123868822 (or 123868810 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
Adding to 30100120101 its reverse (10102100103), we get a palindrome (40202220204).
The spelling of 30100120101 in words is "thirty billion, one hundred million, one hundred twenty thousand, one hundred one".
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