Base | Representation |
---|---|
bin | 10001000010011… |
… | …00011111000000 |
3 | 100221221001212010 |
4 | 20201030133000 |
5 | 243041411431 |
6 | 22103132520 |
7 | 3353540160 |
oct | 1041143700 |
9 | 327831763 |
10 | 142919616 |
11 | 73746694 |
12 | 3ba44140 |
13 | 237c0228 |
14 | 14da45a0 |
15 | c831846 |
hex | 884c7c0 |
142919616 has 112 divisors (see below), whose sum is σ = 442390784. Its totient is φ = 39868416.
The previous prime is 142919599. The next prime is 142919639. The reversal of 142919616 is 616919241.
142919616 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (112).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56556 + ... + 59028.
Almost surely, 2142919616 is an apocalyptic number.
142919616 is a gapful number since it is divisible by the number (16) 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 142919616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221195392).
142919616 is an abundant number, since it is smaller than the sum of its proper divisors (299471168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142919616 is a wasteful number, since it uses less digits than its factorization.
142919616 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2538 (or 2528 counting only the distinct ones).
The product of its digits is 23328, while the sum is 39.
The square root of 142919616 is about 11954.8992467524. The cubic root of 142919616 is about 522.8341502454.
The spelling of 142919616 in words is "one hundred forty-two million, nine hundred nineteen thousand, six hundred sixteen".
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