Base | Representation |
---|---|
bin | 1000010011011010011… |
… | …0101101010100010000 |
3 | 111122012112012201210222 |
4 | 2010312212231110100 |
5 | 4314121402200040 |
6 | 145311005212212 |
7 | 13210000212134 |
oct | 2046646552420 |
9 | 448175181728 |
10 | 142650037520 |
11 | 555522555a1 |
12 | 23791261068 |
13 | 105b4904433 |
14 | 6c935773c4 |
15 | 3a9d6d7bb5 |
hex | 21369ad510 |
142650037520 has 40 divisors (see below), whose sum is σ = 331677133656. Its totient is φ = 57057297408.
The previous prime is 142650037513. The next prime is 142650037529. The reversal of 142650037520 is 25730056241.
It can be written as a sum of positive squares in 4 ways, for example, as 12447418624 + 130202618896 = 111568^2 + 360836^2 .
It is a tau number, because it is divible by the number of its divisors (40).
It is not an unprimeable number, because it can be changed into a prime (142650037529) 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, 3015974 + ... + 3062906.
Almost surely, 2142650037520 is an apocalyptic number.
142650037520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142650037520 is an abundant number, since it is smaller than the sum of its proper divisors (189027096136).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142650037520 is a wasteful number, since it uses less digits than its factorization.
142650037520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84939 (or 84933 counting only the distinct ones).
The product of its (nonzero) digits is 50400, while the sum is 35.
The spelling of 142650037520 in words is "one hundred forty-two billion, six hundred fifty million, thirty-seven thousand, five hundred twenty".
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