Base | Representation |
---|---|
bin | 100010011101100100… |
… | …0101110011010010111 |
3 | 21002000122110011000212 |
4 | 1010323020232122113 |
5 | 2203031141241111 |
6 | 53555334000035 |
7 | 5226644416256 |
oct | 1047310563227 |
9 | 232018404025 |
10 | 74006587031 |
11 | 29427875223 |
12 | 124147a601b |
13 | 6c95534300 |
14 | 3820ba279d |
15 | 1dd223798b |
hex | 113b22e697 |
74006587031 has 12 divisors (see below), whose sum is σ = 83621545488. Its totient is φ = 65343605184.
The previous prime is 74006587009. The next prime is 74006587099. The reversal of 74006587031 is 13078560047.
It is not a de Polignac number, because 74006587031 - 210 = 74006586007 is a prime.
It is a super-2 number, since 2×740065870312 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 74006587031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74006527031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9515870 + ... + 9523643.
It is an arithmetic number, because the mean of its divisors is an integer number (6968462124).
Almost surely, 274006587031 is an apocalyptic number.
74006587031 is a deficient number, since it is larger than the sum of its proper divisors (9614958457).
74006587031 is a wasteful number, since it uses less digits than its factorization.
74006587031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19039562 (or 19039549 counting only the distinct ones).
The product of its (nonzero) digits is 141120, while the sum is 41.
The spelling of 74006587031 in words is "seventy-four billion, six million, five hundred eighty-seven thousand, thirty-one".
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