Base | Representation |
---|---|
bin | 110001000111100000… |
… | …011000000001011011 |
3 | 12001010111020212002112 |
4 | 301013200120001123 |
5 | 1331002223330031 |
6 | 40121133422535 |
7 | 3544633312520 |
oct | 610740300133 |
9 | 161114225075 |
10 | 52739276891 |
11 | 20403a46354 |
12 | a27a33aa4b |
13 | 4c86428b22 |
14 | 27a4469147 |
15 | 158a0d762b |
hex | c4781805b |
52739276891 has 24 divisors (see below), whose sum is σ = 61563769344. Its totient is φ = 44256726000.
The previous prime is 52739276881. The next prime is 52739276903. The reversal of 52739276891 is 19867293725.
It is not a de Polignac number, because 52739276891 - 218 = 52739014747 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (59).
It is a self number, because there is not a number n which added to its sum of digits gives 52739276891.
It is not an unprimeable number, because it can be changed into a prime (52739276881) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6111806 + ... + 6120428.
It is an arithmetic number, because the mean of its divisors is an integer number (2565157056).
Almost surely, 252739276891 is an apocalyptic number.
52739276891 is a deficient number, since it is larger than the sum of its proper divisors (8824492453).
52739276891 is an equidigital number, since it uses as much as digits as its factorization.
52739276891 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8999 (or 8940 counting only the distinct ones).
The product of its digits is 11430720, while the sum is 59.
The spelling of 52739276891 in words is "fifty-two billion, seven hundred thirty-nine million, two hundred seventy-six thousand, eight hundred ninety-one".
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