Base | Representation |
---|---|
bin | 11101111110101111111… |
… | …00000011111110010100 |
3 | 10122110220211120111012102 |
4 | 32333113330003332110 |
5 | 113334141211430400 |
6 | 2105121451141232 |
7 | 134265222532610 |
oct | 16772774037624 |
9 | 3573824514172 |
10 | 1030120030100 |
11 | 3679649a1357 |
12 | 147789144818 |
13 | 761a8498465 |
14 | 37c027b8340 |
15 | 1bbe0b9e9d5 |
hex | efd7f03f94 |
1030120030100 has 144 divisors (see below), whose sum is σ = 2590088557056. Its totient is φ = 348306480000.
The previous prime is 1030120030087. The next prime is 1030120030109. The reversal of 1030120030100 is 10300210301.
It is a super-2 number, since 2×10301200301002 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030120030109) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33159575 + ... + 33190625.
Almost surely, 21030120030100 is an apocalyptic number.
1030120030100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1030120030100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1295044278528).
1030120030100 is an abundant number, since it is smaller than the sum of its proper divisors (1559968526956).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1030120030100 is a wasteful number, since it uses less digits than its factorization.
1030120030100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31726 (or 31719 counting only the distinct ones).
The product of its (nonzero) digits is 18, while the sum is 11.
Adding to 1030120030100 its reverse (10300210301), we get a palindrome (1040420240401).
The spelling of 1030120030100 in words is "one trillion, thirty billion, one hundred twenty million, thirty thousand, one hundred".
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