Base | Representation |
---|---|
bin | 1000101010010001011… |
… | …0000011001101110001 |
3 | 112020001011100121210000 |
4 | 2022210112003031301 |
5 | 4414203222204300 |
6 | 152203523100213 |
7 | 13515026152662 |
oct | 2124426031561 |
9 | 466034317700 |
10 | 148786131825 |
11 | 58110990011 |
12 | 24a04211669 |
13 | 11051c40876 |
14 | 72b6491369 |
15 | 3d0c254c00 |
hex | 22a4583371 |
148786131825 has 60 divisors (see below), whose sum is σ = 275952142620. Its totient is φ = 79252179840.
The previous prime is 148786131799. The next prime is 148786131833. The reversal of 148786131825 is 528131687841.
148786131825 is a `hidden beast` number, since 1 + 4 + 8 + 7 + 8 + 613 + 18 + 2 + 5 = 666.
It can be written as a sum of positive squares in 6 ways, for example, as 2404137024 + 146381994801 = 49032^2 + 382599^2 .
It is not a de Polignac number, because 148786131825 - 212 = 148786127729 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1567831 + ... + 1660019.
It is an arithmetic number, because the mean of its divisors is an integer number (4599202377).
Almost surely, 2148786131825 is an apocalyptic number.
148786131825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
148786131825 is a deficient number, since it is larger than the sum of its proper divisors (127166010795).
148786131825 is an equidigital number, since it uses as much as digits as its factorization.
148786131825 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93008 (or 92994 counting only the distinct ones).
The product of its digits is 2580480, while the sum is 54.
The spelling of 148786131825 in words is "one hundred forty-eight billion, seven hundred eighty-six million, one hundred thirty-one thousand, eight hundred twenty-five".
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