Base | Representation |
---|---|
bin | 111110000010100… |
… | …1101111010101110 |
3 | 12101002011110212110 |
4 | 1330011031322232 |
5 | 13230411230020 |
6 | 542322544450 |
7 | 102405343101 |
oct | 17405157256 |
9 | 5332143773 |
10 | 2081742510 |
11 | 9790a8a61 |
12 | 4a1208126 |
13 | 272397903 |
14 | 15a696738 |
15 | c2b5c8e0 |
hex | 7c14deae |
2081742510 has 16 divisors (see below), whose sum is σ = 4996182096. Its totient is φ = 555131328.
The previous prime is 2081742493. The next prime is 2081742527. The reversal of 2081742510 is 152471802.
It is an interprime number because it is at equal distance from previous prime (2081742493) and next prime (2081742527).
It is a super-2 number, since 2×20817425102 = 8667303755882200200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 69391417 = 2081742510 / (2 + 0 + 8 + 1 + 7 + 4 + 2 + 5 + 1 + 0).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34695679 + ... + 34695738.
It is an arithmetic number, because the mean of its divisors is an integer number (312261381).
Almost surely, 22081742510 is an apocalyptic number.
2081742510 is an abundant number, since it is smaller than the sum of its proper divisors (2914439586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2081742510 is a wasteful number, since it uses less digits than its factorization.
2081742510 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 69391427.
The product of its (nonzero) digits is 4480, while the sum is 30.
The square root of 2081742510 is about 45626.1165342833. The cubic root of 2081742510 is about 1276.8572210966.
The spelling of 2081742510 in words is "two billion, eighty-one million, seven hundred forty-two thousand, five hundred ten".
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