Base | Representation |
---|---|
bin | 10001000010100… |
… | …01110010000000 |
3 | 100221222011121200 |
4 | 20201101302000 |
5 | 243043110222 |
6 | 22103421200 |
7 | 3353660343 |
oct | 1041216200 |
9 | 327864550 |
10 | 142941312 |
11 | 73760a18 |
12 | 3ba54800 |
13 | 237ca077 |
14 | 14dac45a |
15 | c837eac |
hex | 8851c80 |
142941312 has 96 divisors (see below), whose sum is σ = 414348480. Its totient is φ = 47298048.
The previous prime is 142941307. The next prime is 142941347. The reversal of 142941312 is 213149241.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (96).
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192013 + ... + 192755.
It is an arithmetic number, because the mean of its divisors is an integer number (4316130).
Almost surely, 2142941312 is an apocalyptic number.
142941312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142941312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207174240).
142941312 is an abundant number, since it is smaller than the sum of its proper divisors (271407168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142941312 is a wasteful number, since it uses less digits than its factorization.
142941312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 930 (or 915 counting only the distinct ones).
The product of its digits is 1728, while the sum is 27.
The square root of 142941312 is about 11955.8066227252. The cubic root of 142941312 is about 522.8606052931.
The spelling of 142941312 in words is "one hundred forty-two million, nine hundred forty-one thousand, three hundred twelve".
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