Base | Representation |
---|---|
bin | 101000100001001100… |
… | …1111010001110000011 |
3 | 22022121010010110002210 |
4 | 1101002121322032003 |
5 | 2411200414343433 |
6 | 103550131513203 |
7 | 6200162662521 |
oct | 1210231721603 |
9 | 268533113083 |
10 | 87013434243 |
11 | 339a18a702a |
12 | 14a44758803 |
13 | 82891627c8 |
14 | 42d63d1311 |
15 | 23e408d463 |
hex | 144267a383 |
87013434243 has 8 divisors (see below), whose sum is σ = 119153531728. Its totient is φ = 56441146464.
The previous prime is 87013434229. The next prime is 87013434257. The reversal of 87013434243 is 34243431078.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (87013434229) and next prime (87013434257).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 87013434243 - 28 = 87013433987 is a prime.
It is a super-3 number, since 3×870134342433 (a number of 34 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (87013434043) 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, 391952296 + ... + 391952517.
It is an arithmetic number, because the mean of its divisors is an integer number (14894191466).
Almost surely, 287013434243 is an apocalyptic number.
87013434243 is a deficient number, since it is larger than the sum of its proper divisors (32140097485).
87013434243 is a wasteful number, since it uses less digits than its factorization.
87013434243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 783904853.
The product of its (nonzero) digits is 193536, while the sum is 39.
The spelling of 87013434243 in words is "eighty-seven billion, thirteen million, four hundred thirty-four thousand, two hundred forty-three".
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