Base | Representation |
---|---|
bin | 101110011111110100… |
… | …000111101010100001 |
3 | 11202212102100111202111 |
4 | 232133310013222201 |
5 | 1304222011133411 |
6 | 34534032515321 |
7 | 3415131660601 |
oct | 563764075241 |
9 | 152772314674 |
10 | 49925880481 |
11 | 1a19a948a54 |
12 | 98140abb41 |
13 | 49285bb119 |
14 | 25b8958c01 |
15 | 1473103721 |
hex | b9fd07aa1 |
49925880481 has 3 divisors (see below), whose sum is σ = 49926103923. Its totient is φ = 49925657040.
The previous prime is 49925880479. The next prime is 49925880493. The reversal of 49925880481 is 18408852994.
The square root of 49925880481 is 223441.
It is a perfect power (a square), and thus also a powerful number.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in only one way, i.e., 48506098081 + 1419782400 = 220241^2 + 37680^2 .
It is not a de Polignac number, because 49925880481 - 21 = 49925880479 is a prime.
It is a super-3 number, since 3×499258804813 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (49925880451) by changing a digit.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 111721 + ... + 335161.
It is an arithmetic number, because the mean of its divisors is an integer number (16642034641).
Almost surely, 249925880481 is an apocalyptic number.
49925880481 is the 223441-st square number.
49925880481 is the 111721-st centered octagonal number.
It is an amenable number.
49925880481 is a deficient number, since it is larger than the sum of its proper divisors (223442).
49925880481 is an frugal number, since it uses more digits than its factorization.
49925880481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 446882 (or 223441 counting only the distinct ones).
The product of its (nonzero) digits is 6635520, while the sum is 58.
The spelling of 49925880481 in words is "forty-nine billion, nine hundred twenty-five million, eight hundred eighty thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 5.085 sec. • engine limits •