Base | Representation |
---|---|
bin | 1001010000110101110… |
… | …1001110111100010111 |
3 | 120012202201011010021222 |
4 | 2110031131032330113 |
5 | 10101404211312033 |
6 | 201035133000555 |
7 | 14332424626310 |
oct | 2241535167427 |
9 | 505681133258 |
10 | 159139557143 |
11 | 61544149766 |
12 | 26a1362315b |
13 | 12011c13338 |
14 | 79b9533607 |
15 | 4216176598 |
hex | 250d74ef17 |
159139557143 has 4 divisors (see below), whose sum is σ = 181873779600. Its totient is φ = 136405334688.
The previous prime is 159139557091. The next prime is 159139557179. The reversal of 159139557143 is 341755931951.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 341755931951 = 7 ⋅48822275993.
It is not a de Polignac number, because 159139557143 - 212 = 159139553047 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (159139557043) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11367111218 + ... + 11367111231.
It is an arithmetic number, because the mean of its divisors is an integer number (45468444900).
Almost surely, 2159139557143 is an apocalyptic number.
159139557143 is a deficient number, since it is larger than the sum of its proper divisors (22734222457).
159139557143 is an equidigital number, since it uses as much as digits as its factorization.
159139557143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22734222456.
The product of its digits is 2551500, while the sum is 53.
The spelling of 159139557143 in words is "one hundred fifty-nine billion, one hundred thirty-nine million, five hundred fifty-seven thousand, one hundred forty-three".
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