Base | Representation |
---|---|
bin | 1001111001000010… |
… | …0110000101010101 |
3 | 20212001010121122111 |
4 | 2132100212011111 |
5 | 20414204303141 |
6 | 1115245031021 |
7 | 122540256220 |
oct | 23620460525 |
9 | 6761117574 |
10 | 2655150421 |
11 | 11428438a0 |
12 | 621255471 |
13 | 334112731 |
14 | 1b28ba5b7 |
15 | 108176381 |
hex | 9e426155 |
2655150421 has 32 divisors (see below), whose sum is σ = 3528806400. Its totient is φ = 1935161280.
The previous prime is 2655150373. The next prime is 2655150479. The reversal of 2655150421 is 1240515562.
It is a cyclic number.
It is not a de Polignac number, because 2655150421 - 211 = 2655148373 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2655150481) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 104091 + ... + 127063.
It is an arithmetic number, because the mean of its divisors is an integer number (110275200).
Almost surely, 22655150421 is an apocalyptic number.
It is an amenable number.
2655150421 is a deficient number, since it is larger than the sum of its proper divisors (873655979).
2655150421 is a wasteful number, since it uses less digits than its factorization.
2655150421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23089.
The product of its (nonzero) digits is 12000, while the sum is 31.
The square root of 2655150421 is about 51528.1517328149. The cubic root of 2655150421 is about 1384.7234384601.
Adding to 2655150421 its reverse (1240515562), we get a palindrome (3895665983).
The spelling of 2655150421 in words is "two billion, six hundred fifty-five million, one hundred fifty thousand, four hundred twenty-one".
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