Base | Representation |
---|---|
bin | 111111110001100… |
… | …1101111000010101 |
3 | 12112010200010112000 |
4 | 1333203031320111 |
5 | 13340311011300 |
6 | 552202145513 |
7 | 104013114150 |
oct | 17743157025 |
9 | 5463603460 |
10 | 2139938325 |
11 | 9a8a37378 |
12 | 4b87b2299 |
13 | 2814625c5 |
14 | 1642c4c97 |
15 | c7d05c00 |
hex | 7f8cde15 |
2139938325 has 96 divisors (see below), whose sum is σ = 4757195520. Its totient is φ = 920678400.
The previous prime is 2139938299. The next prime is 2139938347. The reversal of 2139938325 is 5238399312.
It is not a de Polignac number, because 2139938325 - 28 = 2139938069 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 67005 + ... + 93645.
It is an arithmetic number, because the mean of its divisors is an integer number (49554120).
Almost surely, 22139938325 is an apocalyptic number.
2139938325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2139938325 is an abundant number, since it is smaller than the sum of its proper divisors (2617257195).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2139938325 is a wasteful number, since it uses less digits than its factorization.
2139938325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26684 (or 26673 counting only the distinct ones).
The product of its digits is 349920, while the sum is 45.
The square root of 2139938325 is about 46259.4674093855. The cubic root of 2139938325 is about 1288.6463626680.
The spelling of 2139938325 in words is "two billion, one hundred thirty-nine million, nine hundred thirty-eight thousand, three hundred twenty-five".
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