Base | Representation |
---|---|
bin | 10011001100100000… |
… | …111110001100011111 |
3 | 1222012102100120022020 |
4 | 103030200332030133 |
5 | 314202413031412 |
6 | 13245114351223 |
7 | 1326522105240 |
oct | 231440761437 |
9 | 58172316266 |
10 | 20611064607 |
11 | 88174549a1 |
12 | 3bb272b513 |
13 | 1c36178823 |
14 | dd750ccc7 |
15 | 80972218c |
hex | 4cc83e31f |
20611064607 has 8 divisors (see below), whose sum is σ = 31407336576. Its totient is φ = 11777751192.
The previous prime is 20611064597. The next prime is 20611064629. The reversal of 20611064607 is 70646011602.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20611064607 - 27 = 20611064479 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20611064107) 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, 490739613 + ... + 490739654.
It is an arithmetic number, because the mean of its divisors is an integer number (3925917072).
Almost surely, 220611064607 is an apocalyptic number.
20611064607 is a deficient number, since it is larger than the sum of its proper divisors (10796271969).
20611064607 is an equidigital number, since it uses as much as digits as its factorization.
20611064607 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 981479277.
The product of its (nonzero) digits is 12096, while the sum is 33.
The spelling of 20611064607 in words is "twenty billion, six hundred eleven million, sixty-four thousand, six hundred seven".
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