Base | Representation |
---|---|
bin | 10010101000111100… |
… | …110100111010111101 |
3 | 1220122211121012100001 |
4 | 102220330310322331 |
5 | 311442140340002 |
6 | 13110001434301 |
7 | 1305655324102 |
oct | 225074647275 |
9 | 56584535301 |
10 | 20014386877 |
11 | 8540666101 |
12 | 3a6693b991 |
13 | 1b6c674194 |
14 | d7c18caa9 |
15 | 7c215da87 |
hex | 4a8f34ebd |
20014386877 has 4 divisors (see below), whose sum is σ = 21067775680. Its totient is φ = 18960998076.
The previous prime is 20014386871. The next prime is 20014386907. The reversal of 20014386877 is 77868341002.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 20014386877 - 23 = 20014386869 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 (20014386871) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526694373 + ... + 526694410.
It is an arithmetic number, because the mean of its divisors is an integer number (5266943920).
Almost surely, 220014386877 is an apocalyptic number.
It is an amenable number.
20014386877 is a deficient number, since it is larger than the sum of its proper divisors (1053388803).
20014386877 is a wasteful number, since it uses less digits than its factorization.
20014386877 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1053388802.
The product of its (nonzero) digits is 451584, while the sum is 46.
The spelling of 20014386877 in words is "twenty billion, fourteen million, three hundred eighty-six thousand, eight hundred seventy-seven".
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