Base | Representation |
---|---|
bin | 100001111011011001… |
… | …1000000010010100111 |
3 | 20222001202000122111011 |
4 | 1003312303000102213 |
5 | 2143204132324112 |
6 | 53245455323051 |
7 | 5156353066465 |
oct | 1036663002247 |
9 | 228052018434 |
10 | 72860042407 |
11 | 2899965a289 |
12 | 12154820487 |
13 | 6b41b37c39 |
14 | 37527c9835 |
15 | 1d6675aaa7 |
hex | 10f6cc04a7 |
72860042407 has 8 divisors (see below), whose sum is σ = 74471086800. Its totient is φ = 71261535744.
The previous prime is 72860042401. The next prime is 72860042449. The reversal of 72860042407 is 70424006827.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-72860042407 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 72860042407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72860042401) 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 7 ways as a sum of consecutive naturals, for example, 3122682 + ... + 3145927.
It is an arithmetic number, because the mean of its divisors is an integer number (9308885850).
Almost surely, 272860042407 is an apocalyptic number.
72860042407 is a deficient number, since it is larger than the sum of its proper divisors (1611044393).
72860042407 is a wasteful number, since it uses less digits than its factorization.
72860042407 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6268865.
The product of its (nonzero) digits is 150528, while the sum is 40.
The spelling of 72860042407 in words is "seventy-two billion, eight hundred sixty million, forty-two thousand, four hundred seven".
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