Base | Representation |
---|---|
bin | 1000010010000111110… |
… | …0110001111000000110 |
3 | 111121022101010220012210 |
4 | 2010201330301320012 |
5 | 4312414144024310 |
6 | 145212345524250 |
7 | 13165261544040 |
oct | 2044174617006 |
9 | 447271126183 |
10 | 142303501830 |
11 | 55394687166 |
12 | 236b51a3686 |
13 | 1055ab92029 |
14 | 6c5d52ca90 |
15 | 3a7d085820 |
hex | 2121f31e06 |
142303501830 has 128 divisors (see below), whose sum is σ = 402163107840. Its totient is φ = 31545123840.
The previous prime is 142303501811. The next prime is 142303501843. The reversal of 142303501830 is 38105303241.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2387026 + ... + 2445914.
It is an arithmetic number, because the mean of its divisors is an integer number (3141899280).
Almost surely, 2142303501830 is an apocalyptic number.
142303501830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 142303501830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201081553920).
142303501830 is an abundant number, since it is smaller than the sum of its proper divisors (259859606010).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142303501830 is a wasteful number, since it uses less digits than its factorization.
142303501830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 59254.
The product of its (nonzero) digits is 8640, while the sum is 30.
The spelling of 142303501830 in words is "one hundred forty-two billion, three hundred three million, five hundred one thousand, eight hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •