Base | Representation |
---|---|
bin | 1000010001000000101… |
… | …1110011010100101110 |
3 | 111120112121022022000020 |
4 | 2010100023303110232 |
5 | 4311311343400110 |
6 | 145123021343010 |
7 | 13155012260253 |
oct | 2042013632456 |
9 | 446477268006 |
10 | 142005450030 |
11 | 55251413464 |
12 | 23631407a66 |
13 | 105111c6c12 |
14 | 6c31b0542a |
15 | 3a61d0dd70 |
hex | 21102f352e |
142005450030 has 64 divisors (see below), whose sum is σ = 341990719488. Its totient is φ = 37737443840.
The previous prime is 142005450019. The next prime is 142005450049. The reversal of 142005450030 is 30054500241.
142005450030 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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, 15702310 + ... + 15711350.
It is an arithmetic number, because the mean of its divisors is an integer number (5343604992).
Almost surely, 2142005450030 is an apocalyptic number.
142005450030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142005450030 is an abundant number, since it is smaller than the sum of its proper divisors (199985269458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142005450030 is a wasteful number, since it uses less digits than its factorization.
142005450030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10801.
The product of its (nonzero) digits is 2400, while the sum is 24.
Adding to 142005450030 its reverse (30054500241), we get a palindrome (172059950271).
The spelling of 142005450030 in words is "one hundred forty-two billion, five million, four hundred fifty thousand, thirty".
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