Base | Representation |
---|---|
bin | 101101001101000111… |
… | …101101111111001101 |
3 | 11122021201202202020020 |
4 | 231031013231333031 |
5 | 1243401324244021 |
6 | 34144232412353 |
7 | 3335554343544 |
oct | 551507557715 |
9 | 148251682206 |
10 | 48538509261 |
11 | 196487a5470 |
12 | 94a75470b9 |
13 | 47670418c8 |
14 | 24c65b315b |
15 | 13e14057c6 |
hex | b4d1edfcd |
48538509261 has 32 divisors (see below), whose sum is σ = 70997091840. Its totient is φ = 29252875200.
The previous prime is 48538509251. The next prime is 48538509269. The reversal of 48538509261 is 16290583584.
It is not a de Polignac number, because 48538509261 - 210 = 48538508237 is a prime.
It is a super-2 number, since 2×485385092612 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48538509269) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4748446 + ... + 4758656.
It is an arithmetic number, because the mean of its divisors is an integer number (2218659120).
Almost surely, 248538509261 is an apocalyptic number.
It is an amenable number.
48538509261 is a deficient number, since it is larger than the sum of its proper divisors (22458582579).
48538509261 is a wasteful number, since it uses less digits than its factorization.
48538509261 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11017.
The product of its (nonzero) digits is 2073600, while the sum is 51.
The spelling of 48538509261 in words is "forty-eight billion, five hundred thirty-eight million, five hundred nine thousand, two hundred sixty-one".
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