Base | Representation |
---|---|
bin | 1001011101100110… |
… | …0110110010001111 |
3 | 20120000121000211200 |
4 | 2113121212302033 |
5 | 20200224301304 |
6 | 1100014320543 |
7 | 116642153646 |
oct | 22731466217 |
9 | 6500530750 |
10 | 2540072079 |
11 | 1093893826 |
12 | 5aa7b9153 |
13 | 31631ca3c |
14 | 1a14c235d |
15 | ecee3e39 |
hex | 97666c8f |
2540072079 has 24 divisors (see below), whose sum is σ = 3793920000. Its totient is φ = 1635912720.
The previous prime is 2540072077. The next prime is 2540072081. The reversal of 2540072079 is 9702700452.
It is an interprime number because it is at equal distance from previous prime (2540072077) and next prime (2540072081).
It is not a de Polignac number, because 2540072079 - 21 = 2540072077 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2540072077) 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, 159522 + ... + 174720.
It is an arithmetic number, because the mean of its divisors is an integer number (158080000).
Almost surely, 22540072079 is an apocalyptic number.
2540072079 is a deficient number, since it is larger than the sum of its proper divisors (1253847921).
2540072079 is a wasteful number, since it uses less digits than its factorization.
2540072079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15835 (or 15832 counting only the distinct ones).
The product of its (nonzero) digits is 35280, while the sum is 36.
The square root of 2540072079 is about 50399.1277603095. The cubic root of 2540072079 is about 1364.4218958394.
It can be divided in two parts, 25400 and 72079, that added together give a palindrome (97479).
The spelling of 2540072079 in words is "two billion, five hundred forty million, seventy-two thousand, seventy-nine".
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