Base | Representation |
---|---|
bin | 1000011100010100010… |
… | …0001000011111000110 |
3 | 111212101002120021122100 |
4 | 2013011010020133012 |
5 | 4334020232200104 |
6 | 150344105012530 |
7 | 13323141433020 |
oct | 2070504103706 |
9 | 455332507570 |
10 | 145040115654 |
11 | 56569400685 |
12 | 24139784146 |
13 | 108a5b27c55 |
14 | 703cb73010 |
15 | 3b8d44e139 |
hex | 21c51087c6 |
145040115654 has 48 divisors (see below), whose sum is σ = 365034627360. Its totient is φ = 40760686080.
The previous prime is 145040115641. The next prime is 145040115697. The reversal of 145040115654 is 456511040541.
145040115654 is a `hidden beast` number, since 1 + 4 + 50 + 40 + 1 + 1 + 565 + 4 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9427659 + ... + 9443030.
It is an arithmetic number, because the mean of its divisors is an integer number (7604888070).
Almost surely, 2145040115654 is an apocalyptic number.
145040115654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
145040115654 is an abundant number, since it is smaller than the sum of its proper divisors (219994511706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
145040115654 is a wasteful number, since it uses less digits than its factorization.
145040115654 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18870765 (or 18870762 counting only the distinct ones).
The product of its (nonzero) digits is 48000, while the sum is 36.
The spelling of 145040115654 in words is "one hundred forty-five billion, forty million, one hundred fifteen thousand, six hundred fifty-four".
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