Base | Representation |
---|---|
bin | 1000011100001110010… |
… | …0110111010101110101 |
3 | 111212022100120110212220 |
4 | 2013003210313111311 |
5 | 4333442334013444 |
6 | 150341413432553 |
7 | 13322416236552 |
oct | 2070344672565 |
9 | 455270513786 |
10 | 145015141749 |
11 | 565562a3395 |
12 | 2413133b759 |
13 | 108a08c28aa |
14 | 7039711a29 |
15 | 3b8b169619 |
hex | 21c3937575 |
145015141749 has 16 divisors (see below), whose sum is σ = 201806567424. Its totient is φ = 92452170800.
The previous prime is 145015141723. The next prime is 145015141771. The reversal of 145015141749 is 947141510541.
It is not a de Polignac number, because 145015141749 - 29 = 145015141237 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 145015141749.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (145015142749) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63664 + ... + 542294.
It is an arithmetic number, because the mean of its divisors is an integer number (12612910464).
Almost surely, 2145015141749 is an apocalyptic number.
It is an amenable number.
145015141749 is a deficient number, since it is larger than the sum of its proper divisors (56791425675).
145015141749 is a wasteful number, since it uses less digits than its factorization.
145015141749 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 483048.
The product of its (nonzero) digits is 100800, while the sum is 42.
The spelling of 145015141749 in words is "one hundred forty-five billion, fifteen million, one hundred forty-one thousand, seven hundred forty-nine".
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