Base | Representation |
---|---|
bin | 1001011001001010… |
… | …01101110110110001 |
3 | 111000110010220221110 |
4 | 10230211031312301 |
5 | 40311441432011 |
6 | 2152223143533 |
7 | 235653056145 |
oct | 45445156661 |
9 | 14013126843 |
10 | 5042920881 |
11 | 2158663109 |
12 | b88a44ba9 |
13 | 624a08a6b |
14 | 35ba75225 |
15 | 1e7ad3ba6 |
hex | 12c94ddb1 |
5042920881 has 4 divisors (see below), whose sum is σ = 6723894512. Its totient is φ = 3361947252.
The previous prime is 5042920879. The next prime is 5042920921. The reversal of 5042920881 is 1880292405.
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 not a de Polignac number, because 5042920881 - 21 = 5042920879 is a prime.
It is a super-2 number, since 2×50429208812 = 50862102024051632322, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (5042920801) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840486811 + ... + 840486816.
It is an arithmetic number, because the mean of its divisors is an integer number (1680973628).
Almost surely, 25042920881 is an apocalyptic number.
It is an amenable number.
5042920881 is a deficient number, since it is larger than the sum of its proper divisors (1680973631).
5042920881 is a wasteful number, since it uses less digits than its factorization.
5042920881 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1680973630.
The product of its (nonzero) digits is 46080, while the sum is 39.
The square root of 5042920881 is about 71013.5260425787. The cubic root of 5042920881 is about 1714.8549241349.
The spelling of 5042920881 in words is "five billion, forty-two million, nine hundred twenty thousand, eight hundred eighty-one".
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