Base | Representation |
---|---|
bin | 101100001000100… |
… | …0001010111111001 |
3 | 10211012111100000120 |
4 | 1120101001113321 |
5 | 11013044411311 |
6 | 402535523453 |
7 | 51461035404 |
oct | 13021012771 |
9 | 3735440016 |
10 | 1480857081 |
11 | 69a9a5930 |
12 | 353b29589 |
13 | 1a7a4bcc2 |
14 | 10095cd3b |
15 | 8a017706 |
hex | 584415f9 |
1480857081 has 16 divisors (see below), whose sum is σ = 2155854528. Its totient is φ = 896705600.
The previous prime is 1480857043. The next prime is 1480857113. The reversal of 1480857081 is 1807580841.
It is a cyclic number.
It is not a de Polignac number, because 1480857081 - 210 = 1480856057 is a prime.
It is a super-2 number, since 2×14808570812 = 4385875388695681122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1480857041) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19975 + ... + 57971.
It is an arithmetic number, because the mean of its divisors is an integer number (134740908).
Almost surely, 21480857081 is an apocalyptic number.
1480857081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
1480857081 is a deficient number, since it is larger than the sum of its proper divisors (674997447).
1480857081 is a wasteful number, since it uses less digits than its factorization.
1480857081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39192.
The product of its (nonzero) digits is 71680, while the sum is 42.
The square root of 1480857081 is about 38481.9058909509. The cubic root of 1480857081 is about 1139.8237854748.
The spelling of 1480857081 in words is "one billion, four hundred eighty million, eight hundred fifty-seven thousand, eighty-one".
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