Base | Representation |
---|---|
bin | 1001001100000111011… |
… | …0101001110111011101 |
3 | 120002111022102111101010 |
4 | 2103001312221313131 |
5 | 10041310003340410 |
6 | 200305222405433 |
7 | 14256123441015 |
oct | 2230166516735 |
9 | 502438374333 |
10 | 157871152605 |
11 | 60a53171651 |
12 | 2671a890879 |
13 | 11b6c1bb5ca |
14 | 78d8cb8c45 |
15 | 418eb27c20 |
hex | 24c1da9ddd |
157871152605 has 32 divisors (see below), whose sum is σ = 253159410816. Its totient is φ = 84009602304.
The previous prime is 157871152603. The next prime is 157871152609. The reversal of 157871152605 is 506251178751.
It is a happy number.
It is not a de Polignac number, because 157871152605 - 21 = 157871152603 is a prime.
It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157871152603) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18873154 + ... + 18881516.
It is an arithmetic number, because the mean of its divisors is an integer number (7911231588).
Almost surely, 2157871152605 is an apocalyptic number.
157871152605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
157871152605 is a deficient number, since it is larger than the sum of its proper divisors (95288258211).
157871152605 is a wasteful number, since it uses less digits than its factorization.
157871152605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11037.
The product of its (nonzero) digits is 588000, while the sum is 48.
The spelling of 157871152605 in words is "one hundred fifty-seven billion, eight hundred seventy-one million, one hundred fifty-two thousand, six hundred five".
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