Base | Representation |
---|---|
bin | 1000001101100101100… |
… | …0000111100101101001 |
3 | 111111011112001221020111 |
4 | 2003121120013211221 |
5 | 4302420444310011 |
6 | 144451453054321 |
7 | 13123145430316 |
oct | 2033130074551 |
9 | 444145057214 |
10 | 141085931881 |
11 | 5491a36a904 |
12 | 234154873a1 |
13 | 103c585853b |
14 | 6b85947d0d |
15 | 3a0b229121 |
hex | 20d9607969 |
141085931881 has 4 divisors (see below), whose sum is σ = 141093853264. Its totient is φ = 141078010500.
The previous prime is 141085931843. The next prime is 141085931891. The reversal of 141085931881 is 188139580141.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 188139580141 = 29 ⋅6487571729.
It is a cyclic number.
It is not a de Polignac number, because 141085931881 - 237 = 3646978409 is a prime.
It is a super-2 number, since 2×1410859318812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (141085931891) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 3933915 + ... + 3969616.
It is an arithmetic number, because the mean of its divisors is an integer number (35273463316).
Almost surely, 2141085931881 is an apocalyptic number.
It is an amenable number.
141085931881 is a deficient number, since it is larger than the sum of its proper divisors (7921383).
141085931881 is an equidigital number, since it uses as much as digits as its factorization.
141085931881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7921382.
The product of its (nonzero) digits is 276480, while the sum is 49.
The spelling of 141085931881 in words is "one hundred forty-one billion, eighty-five million, nine hundred thirty-one thousand, eight hundred eighty-one".
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