Base | Representation |
---|---|
bin | 1000010001110011111… |
… | …0010000000010110100 |
3 | 111121002120000122020111 |
4 | 2010130332100002310 |
5 | 4312231310021320 |
6 | 145200204112404 |
7 | 13163226031525 |
oct | 2043476200264 |
9 | 447076018214 |
10 | 142220001460 |
11 | 55351535099 |
12 | 23691235704 |
13 | 105467a7624 |
14 | 6c523d484c |
15 | 3a75a8ea5a |
hex | 211cf900b4 |
142220001460 has 12 divisors (see below), whose sum is σ = 298662003108. Its totient is φ = 56888000576.
The previous prime is 142220001433. The next prime is 142220001467. The reversal of 142220001460 is 64100022241.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 21346963236 + 120873038224 = 146106^2 + 347668^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142220001467) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3555500017 + ... + 3555500056.
It is an arithmetic number, because the mean of its divisors is an integer number (24888500259).
Almost surely, 2142220001460 is an apocalyptic number.
142220001460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
142220001460 is an abundant number, since it is smaller than the sum of its proper divisors (156442001648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142220001460 is a wasteful number, since it uses less digits than its factorization.
142220001460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7111000082 (or 7111000080 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 22.
The spelling of 142220001460 in words is "one hundred forty-two billion, two hundred twenty million, one thousand, four hundred sixty".
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