Base | Representation |
---|---|
bin | 100001111011110100… |
… | …0111100011011011101 |
3 | 20222002201122000212022 |
4 | 1003313220330123131 |
5 | 2143221242313430 |
6 | 53251122345525 |
7 | 5156614221035 |
oct | 1036750743335 |
9 | 228081560768 |
10 | 72874182365 |
11 | 289a66378a6 |
12 | 121594bb2a5 |
13 | 6b44a48c8a |
14 | 375462a8c5 |
15 | 1d67b004e5 |
hex | 10f7a3c6dd |
72874182365 has 8 divisors (see below), whose sum is σ = 87662833080. Its totient is φ = 58156803072.
The previous prime is 72874182289. The next prime is 72874182371. The reversal of 72874182365 is 56328147827.
It can be written as a sum of positive squares in 4 ways, for example, as 6327725209 + 66546457156 = 79547^2 + 257966^2 .
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 72874182365 - 212 = 72874178269 is a prime.
It is a congruent number.
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, 17815604 + ... + 17819693.
It is an arithmetic number, because the mean of its divisors is an integer number (10957854135).
Almost surely, 272874182365 is an apocalyptic number.
It is an amenable number.
72874182365 is a deficient number, since it is larger than the sum of its proper divisors (14788650715).
72874182365 is a wasteful number, since it uses less digits than its factorization.
72874182365 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 35635711.
The product of its digits is 4515840, while the sum is 53.
The spelling of 72874182365 in words is "seventy-two billion, eight hundred seventy-four million, one hundred eighty-two thousand, three hundred sixty-five".
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