Base | Representation |
---|---|
bin | 10010110110011011… |
… | …010100110111110111 |
3 | 1221020121001012212011 |
4 | 102312123110313313 |
5 | 312423031022004 |
6 | 13144235505051 |
7 | 1314402201625 |
oct | 226633246767 |
9 | 57217035764 |
10 | 20240485879 |
11 | 8647254689 |
12 | 3b0a5b8187 |
13 | 1ba7468983 |
14 | da0206515 |
15 | 7d6e21004 |
hex | 4b66d4df7 |
20240485879 has 8 divisors (see below), whose sum is σ = 20437805520. Its totient is φ = 20043377856.
The previous prime is 20240485877. The next prime is 20240485907. The reversal of 20240485879 is 97858404202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20240485879 - 21 = 20240485877 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20240485871) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142827 + ... + 246739.
It is an arithmetic number, because the mean of its divisors is an integer number (2554725690).
Almost surely, 220240485879 is an apocalyptic number.
20240485879 is a deficient number, since it is larger than the sum of its proper divisors (197319641).
20240485879 is a wasteful number, since it uses less digits than its factorization.
20240485879 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 105809.
The product of its (nonzero) digits is 1290240, while the sum is 49.
The spelling of 20240485879 in words is "twenty billion, two hundred forty million, four hundred eighty-five thousand, eight hundred seventy-nine".
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