Base | Representation |
---|---|
bin | 1000011011001010101… |
… | …1101000011000111000 |
3 | 111211120121020021210112 |
4 | 2012302223220120320 |
5 | 4332402303442330 |
6 | 150253330403452 |
7 | 13312405114214 |
oct | 2066253503070 |
9 | 454517207715 |
10 | 144731702840 |
11 | 5642030055a |
12 | 24072430588 |
13 | 10856c72b6a |
14 | 700dc0d944 |
15 | 3b7132c795 |
hex | 21b2ae8638 |
144731702840 has 16 divisors (see below), whose sum is σ = 325646331480. Its totient is φ = 57892681120.
The previous prime is 144731702839. The next prime is 144731702849. The reversal of 144731702840 is 48207137441.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144731702849) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1809146246 + ... + 1809146325.
Almost surely, 2144731702840 is an apocalyptic number.
144731702840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
144731702840 is an abundant number, since it is smaller than the sum of its proper divisors (180914628640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
144731702840 is a wasteful number, since it uses less digits than its factorization.
144731702840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3618292582 (or 3618292578 counting only the distinct ones).
The product of its (nonzero) digits is 150528, while the sum is 41.
The spelling of 144731702840 in words is "one hundred forty-four billion, seven hundred thirty-one million, seven hundred two thousand, eight hundred forty".
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