Base | Representation |
---|---|
bin | 1001010101111111… |
… | …01000101010001101 |
3 | 110221121001000221220 |
4 | 10222333220222031 |
5 | 40233132320411 |
6 | 2145432313553 |
7 | 235210530651 |
oct | 45277505215 |
9 | 13847030856 |
10 | 5016291981 |
11 | 2144625458 |
12 | b7bb428b9 |
13 | 61c34430c |
14 | 358302a61 |
15 | 1e55c3b06 |
hex | 12afe8a8d |
5016291981 has 4 divisors (see below), whose sum is σ = 6688389312. Its totient is φ = 3344194652.
The previous prime is 5016291971. The next prime is 5016292069. The reversal of 5016291981 is 1891926105.
5016291981 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
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 5016291981 - 210 = 5016290957 is a prime.
It is a super-2 number, since 2×50162919812 = 50326370477289808722, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (5016291971) 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, 836048661 + ... + 836048666.
It is an arithmetic number, because the mean of its divisors is an integer number (1672097328).
Almost surely, 25016291981 is an apocalyptic number.
It is an amenable number.
5016291981 is a deficient number, since it is larger than the sum of its proper divisors (1672097331).
5016291981 is a wasteful number, since it uses less digits than its factorization.
5016291981 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1672097330.
The product of its (nonzero) digits is 38880, while the sum is 42.
The square root of 5016291981 is about 70825.7861304765. The cubic root of 5016291981 is about 1711.8311928000.
The spelling of 5016291981 in words is "five billion, sixteen million, two hundred ninety-one thousand, nine hundred eighty-one".
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