Base | Representation |
---|---|
bin | 10010111001000100… |
… | …10110001000101110 |
3 | 222011211210102212010 |
4 | 21130202112020232 |
5 | 131232431121110 |
6 | 4354231422050 |
7 | 506224222560 |
oct | 113442261056 |
9 | 28154712763 |
10 | 10142442030 |
11 | 43351648a6 |
12 | 1b70824926 |
13 | c583711b6 |
14 | 6c3041330 |
15 | 3e5648020 |
hex | 25c89622e |
10142442030 has 64 divisors (see below), whose sum is σ = 27839029248. Its totient is φ = 2316625920.
The previous prime is 10142442007. The next prime is 10142442031. The reversal of 10142442030 is 3024424101.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 10142441988 and 10142442006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10142442031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 292494 + ... + 325326.
It is an arithmetic number, because the mean of its divisors is an integer number (434984832).
Almost surely, 210142442030 is an apocalyptic number.
10142442030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10142442030 is an abundant number, since it is smaller than the sum of its proper divisors (17696587218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10142442030 is a wasteful number, since it uses less digits than its factorization.
10142442030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34321.
The product of its (nonzero) digits is 768, while the sum is 21.
Adding to 10142442030 its reverse (3024424101), we get a palindrome (13166866131).
The spelling of 10142442030 in words is "ten billion, one hundred forty-two million, four hundred forty-two thousand, thirty".
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