Base | Representation |
---|---|
bin | 10001000001100… |
… | …01111101110000 |
3 | 100221201112212000 |
4 | 20200301331300 |
5 | 243024422432 |
6 | 22100534000 |
7 | 3352605402 |
oct | 1040617560 |
9 | 327645760 |
10 | 142810992 |
11 | 73682015 |
12 | 3b9b1300 |
13 | 2378295c |
14 | 14d76b72 |
15 | c80e57c |
hex | 8831f70 |
142810992 has 160 divisors (see below), whose sum is σ = 438067200. Its totient is φ = 44416512.
The previous prime is 142810949. The next prime is 142811023. The reversal of 142810992 is 299018241.
142810992 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1042348 + ... + 1042484.
It is an arithmetic number, because the mean of its divisors is an integer number (2737920).
Almost surely, 2142810992 is an apocalyptic number.
142810992 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 142810992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219033600).
142810992 is an abundant number, since it is smaller than the sum of its proper divisors (295256208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142810992 is a wasteful number, since it uses less digits than its factorization.
142810992 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 300 (or 288 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 36.
The square root of 142810992 is about 11950.3553085253. The cubic root of 142810992 is about 522.7016591466.
The spelling of 142810992 in words is "one hundred forty-two million, eight hundred ten thousand, nine hundred ninety-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •