Base | Representation |
---|---|
bin | 1000010100101001100… |
… | …0111110001010011110 |
3 | 111200001122211012102122 |
4 | 2011022120332022132 |
5 | 4320311341341310 |
6 | 145403544022542 |
7 | 13221140532653 |
oct | 2051230761236 |
9 | 450048735378 |
10 | 142981980830 |
11 | 55702667507 |
12 | 23864461a52 |
13 | 106386078b0 |
14 | 6cc56a3c2a |
15 | 3abc906555 |
hex | 214a63e29e |
142981980830 has 32 divisors (see below), whose sum is σ = 277374271104. Its totient is φ = 52753499136.
The previous prime is 142981980821. The next prime is 142981980851. The reversal of 142981980830 is 38089189241.
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, 241907 + ... + 586926.
It is an arithmetic number, because the mean of its divisors is an integer number (8667945972).
Almost surely, 2142981980830 is an apocalyptic number.
142981980830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142981980830 is a deficient number, since it is larger than the sum of its proper divisors (134392290274).
142981980830 is a wasteful number, since it uses less digits than its factorization.
142981980830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 830180.
The product of its (nonzero) digits is 995328, while the sum is 53.
The spelling of 142981980830 in words is "one hundred forty-two billion, nine hundred eighty-one million, nine hundred eighty thousand, eight hundred thirty".
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