Base | Representation |
---|---|
bin | 100001111101101011… |
… | …1110011111110010011 |
3 | 20222021002110100022102 |
4 | 1003323113303332103 |
5 | 2143333310101042 |
6 | 53301240431015 |
7 | 5161304400131 |
oct | 1037327637623 |
9 | 228232410272 |
10 | 72936800147 |
11 | 28a28a16532 |
12 | 1217647846b |
13 | 6b54a01613 |
14 | 375ca8a751 |
15 | 1d6d36db32 |
hex | 10fb5f3f93 |
72936800147 has 4 divisors (see below), whose sum is σ = 73194527640. Its totient is φ = 72679072656.
The previous prime is 72936800099. The next prime is 72936800179. The reversal of 72936800147 is 74100863927.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74100863927 = 12511 ⋅5922857.
It is a cyclic number.
It is not a de Polignac number, because 72936800147 - 214 = 72936783763 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72936800347) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128863322 + ... + 128863887.
It is an arithmetic number, because the mean of its divisors is an integer number (18298631910).
Almost surely, 272936800147 is an apocalyptic number.
72936800147 is a deficient number, since it is larger than the sum of its proper divisors (257727493).
72936800147 is a wasteful number, since it uses less digits than its factorization.
72936800147 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 257727492.
The product of its (nonzero) digits is 508032, while the sum is 47.
The spelling of 72936800147 in words is "seventy-two billion, nine hundred thirty-six million, eight hundred thousand, one hundred forty-seven".
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