Base | Representation |
---|---|
bin | 101000101100110001… |
… | …0000100110101011111 |
3 | 22100121011020201211010 |
4 | 1101121202010311133 |
5 | 2412444232411342 |
6 | 104052432230303 |
7 | 6212614034334 |
oct | 1213142046537 |
9 | 270534221733 |
10 | 87401450847 |
11 | 34080927707 |
12 | 14b3269b393 |
13 | 831b669829 |
14 | 4331b5698b |
15 | 241818629c |
hex | 1459884d5f |
87401450847 has 8 divisors (see below), whose sum is σ = 116784809856. Its totient is φ = 58142862872.
The previous prime is 87401450837. The next prime is 87401450849. The reversal of 87401450847 is 74805410478.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 87401450847 - 210 = 87401449823 is a prime.
It is a super-2 number, since 2×874014508472 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 87401450796 and 87401450805.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (87401450849) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31191123 + ... + 31193924.
It is an arithmetic number, because the mean of its divisors is an integer number (14598101232).
Almost surely, 287401450847 is an apocalyptic number.
87401450847 is a deficient number, since it is larger than the sum of its proper divisors (29383359009).
87401450847 is a wasteful number, since it uses less digits than its factorization.
87401450847 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62385517.
The product of its (nonzero) digits is 1003520, while the sum is 48.
The spelling of 87401450847 in words is "eighty-seven billion, four hundred one million, four hundred fifty thousand, eight hundred forty-seven".
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