Base | Representation |
---|---|
bin | 10011001000110101010… |
… | …100011011111001001011 |
3 | 11122201122101021221220020 |
4 | 103020311110123321023 |
5 | 133021414030322110 |
6 | 2444101302031523 |
7 | 164005520106126 |
oct | 23106524337113 |
9 | 4581571257806 |
10 | 1315154542155 |
11 | 4678324a8aa3 |
12 | 192a767185a3 |
13 | 9703197294c |
14 | 4792211b3bd |
15 | 243245b4d70 |
hex | 1323551be4b |
1315154542155 has 8 divisors (see below), whose sum is σ = 2104247267472. Its totient is φ = 701415755808.
The previous prime is 1315154542129. The next prime is 1315154542189. The reversal of 1315154542155 is 5512454515131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1315154542155 - 27 = 1315154542027 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43838484724 + ... + 43838484753.
It is an arithmetic number, because the mean of its divisors is an integer number (263030908434).
Almost surely, 21315154542155 is an apocalyptic number.
1315154542155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
1315154542155 is a deficient number, since it is larger than the sum of its proper divisors (789092725317).
1315154542155 is an equidigital number, since it uses as much as digits as its factorization.
1315154542155 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87676969485.
The product of its digits is 300000, while the sum is 42.
The spelling of 1315154542155 in words is "one trillion, three hundred fifteen billion, one hundred fifty-four million, five hundred forty-two thousand, one hundred fifty-five".
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