Base | Representation |
---|---|
bin | 10000111100001… |
… | …10010011111100 |
3 | 100220101211101120 |
4 | 20132012103330 |
5 | 242334423100 |
6 | 22033510540 |
7 | 3343616514 |
oct | 1036062374 |
9 | 326354346 |
10 | 142107900 |
11 | 73241850 |
12 | 3b712450 |
13 | 2359791c |
14 | 14c32844 |
15 | c7210a0 |
hex | 87864fc |
142107900 has 72 divisors (see below), whose sum is σ = 448554624. Its totient is φ = 34449600.
The previous prime is 142107887. The next prime is 142107907. The reversal of 142107900 is 9701241.
142107900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142107907) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18232 + ... + 24831.
Almost surely, 2142107900 is an apocalyptic number.
142107900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142107900 is an abundant number, since it is smaller than the sum of its proper divisors (306446724).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142107900 is a wasteful number, since it uses less digits than its factorization.
142107900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43091 (or 43084 counting only the distinct ones).
The product of its (nonzero) digits is 504, while the sum is 24.
The square root of 142107900 is about 11920.9018115242. The cubic root of 142107900 is about 521.8424532991.
The spelling of 142107900 in words is "one hundred forty-two million, one hundred seven thousand, nine hundred".
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