Base | Representation |
---|---|
bin | 1000010010100110000… |
… | …0000110000011101000 |
3 | 111121122012112211111002 |
4 | 2010221200012003220 |
5 | 4313144112400130 |
6 | 145233113254132 |
7 | 13201360503422 |
oct | 2045140060350 |
9 | 447565484432 |
10 | 142430200040 |
11 | 5544a153427 |
12 | 2372b704348 |
13 | 1057b1c299b |
14 | 6c722ad812 |
15 | 3a89260b45 |
hex | 21298060e8 |
142430200040 has 32 divisors (see below), whose sum is σ = 320505374880. Its totient is φ = 56965426752.
The previous prime is 142430200009. The next prime is 142430200049. The reversal of 142430200040 is 40002034241.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 142430199985 and 142430200021.
It is not an unprimeable number, because it can be changed into a prime (142430200049) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146339 + ... + 553421.
It is an arithmetic number, because the mean of its divisors is an integer number (10015792965).
Almost surely, 2142430200040 is an apocalyptic number.
142430200040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142430200040 is an abundant number, since it is smaller than the sum of its proper divisors (178075174840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142430200040 is a wasteful number, since it uses less digits than its factorization.
142430200040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 415841 (or 415837 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 20.
Adding to 142430200040 its reverse (40002034241), we get a palindrome (182432234281).
The spelling of 142430200040 in words is "one hundred forty-two billion, four hundred thirty million, two hundred thousand, forty".
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