Base | Representation |
---|---|
bin | 10010101011110000… |
… | …00100110101011100 |
3 | 221220001112020121200 |
4 | 21111320010311130 |
5 | 131020324312240 |
6 | 4335200355500 |
7 | 503366344653 |
oct | 112570046534 |
9 | 27801466550 |
10 | 10030697820 |
11 | 4288081810 |
12 | 1b3b315b90 |
13 | c3b177c70 |
14 | 6b227419a |
15 | 3da923930 |
hex | 255e04d5c |
10030697820 has 288 divisors, whose sum is σ = 35959944384. Its totient is φ = 2231193600.
The previous prime is 10030697801. The next prime is 10030697821. The reversal of 10030697820 is 2879603001.
It is a super-2 number, since 2×100306978202 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10030697821) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4657864 + ... + 4660016.
It is an arithmetic number, because the mean of its divisors is an integer number (124860918).
Almost surely, 210030697820 is an apocalyptic number.
10030697820 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 10030697820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17979972192).
10030697820 is an abundant number, since it is smaller than the sum of its proper divisors (25929246564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10030697820 is a wasteful number, since it uses less digits than its factorization.
10030697820 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2373 (or 2368 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The spelling of 10030697820 in words is "ten billion, thirty million, six hundred ninety-seven thousand, eight hundred twenty".
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