Base | Representation |
---|---|
bin | 1001001001011001110… |
… | …1110110000100101000 |
3 | 120000121120201010111221 |
4 | 2102112131312010220 |
5 | 10033312131304322 |
6 | 200105100431424 |
7 | 14232104255641 |
oct | 2222635660450 |
9 | 500546633457 |
10 | 157143228712 |
11 | 6070a28a658 |
12 | 26556b48574 |
13 | 11a84453202 |
14 | 786a3526c8 |
15 | 414ac8b9c7 |
hex | 2496776128 |
157143228712 has 32 divisors (see below), whose sum is σ = 328395297600. Its totient is φ = 70057661184.
The previous prime is 157143228629. The next prime is 157143228787. The reversal of 157143228712 is 217822341751.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 30404388 + ... + 30409555.
It is an arithmetic number, because the mean of its divisors is an integer number (10262353050).
Almost surely, 2157143228712 is an apocalyptic number.
It is an amenable number.
157143228712 is an abundant number, since it is smaller than the sum of its proper divisors (171252068888).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157143228712 is a wasteful number, since it uses less digits than its factorization.
157143228712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 60813985 (or 60813981 counting only the distinct ones).
The product of its digits is 188160, while the sum is 43.
The spelling of 157143228712 in words is "one hundred fifty-seven billion, one hundred forty-three million, two hundred twenty-eight thousand, seven hundred twelve".
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