Base | Representation |
---|---|
bin | 10010110100001001… |
… | …01101110000011110 |
3 | 222001222001001201200 |
4 | 21122010231300132 |
5 | 131141341320110 |
6 | 4350154020330 |
7 | 505213050351 |
oct | 113204556036 |
9 | 28058031650 |
10 | 10101120030 |
11 | 4313900a91 |
12 | 1b5aa176a6 |
13 | c4c933a01 |
14 | 6bb766298 |
15 | 3e1bd46c0 |
hex | 25a12dc1e |
10101120030 has 24 divisors (see below), whose sum is σ = 26262912312. Its totient is φ = 2693631984.
The previous prime is 10101120023. The next prime is 10101120031. The reversal of 10101120030 is 3002110101.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a junction number, because it is equal to n+sod(n) for n = 10101119994 and 10101120021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10101120031) 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, 56117244 + ... + 56117423.
It is an arithmetic number, because the mean of its divisors is an integer number (1094288013).
Almost surely, 210101120030 is an apocalyptic number.
10101120030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10101120030 is an abundant number, since it is smaller than the sum of its proper divisors (16161792282).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10101120030 is a wasteful number, since it uses less digits than its factorization.
10101120030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 112234680 (or 112234677 counting only the distinct ones).
The product of its (nonzero) digits is 6, while the sum is 9.
Adding to 10101120030 its reverse (3002110101), we get a palindrome (13103230131).
The spelling of 10101120030 in words is "ten billion, one hundred one million, one hundred twenty thousand, thirty".
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