Base | Representation |
---|---|
bin | 1000001011001011001… |
… | …0110010001111000100 |
3 | 111102111102000121202202 |
4 | 2002302302302033010 |
5 | 4300104241022014 |
6 | 144303330454032 |
7 | 13101125332145 |
oct | 2026262621704 |
9 | 442442017682 |
10 | 140438610884 |
11 | 54617a30a80 |
12 | 23274734318 |
13 | 10321701a70 |
14 | 6b239a3acc |
15 | 39be4b03de |
hex | 20b2cb23c4 |
140438610884 has 192 divisors, whose sum is σ = 316605542400. Its totient is φ = 53539315200.
The previous prime is 140438610881. The next prime is 140438610929. The reversal of 140438610884 is 488016834041.
It is a super-2 number, since 2×1404386108842 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (140438610881) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28547777 + ... + 28552695.
It is an arithmetic number, because the mean of its divisors is an integer number (1648987200).
Almost surely, 2140438610884 is an apocalyptic number.
It is an amenable number.
140438610884 is an abundant number, since it is smaller than the sum of its proper divisors (176166931516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140438610884 is a wasteful number, since it uses less digits than its factorization.
140438610884 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5074 (or 5072 counting only the distinct ones).
The product of its (nonzero) digits is 589824, while the sum is 47.
The spelling of 140438610884 in words is "one hundred forty billion, four hundred thirty-eight million, six hundred ten thousand, eight hundred eighty-four".
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