Base | Representation |
---|---|
bin | 101010010100101… |
… | …1111000101011010 |
3 | 10122222021200011021 |
4 | 1110221133011122 |
5 | 10402030130440 |
6 | 352530553054 |
7 | 50123113105 |
oct | 12451370532 |
9 | 3588250137 |
10 | 1420161370 |
11 | 66970a291 |
12 | 33773878a |
13 | 1982ba494 |
14 | d687d73c |
15 | 84a2884a |
hex | 54a5f15a |
1420161370 has 16 divisors (see below), whose sum is σ = 2556897480. Its totient is φ = 567929664.
The previous prime is 1420161361. The next prime is 1420161389. The reversal of 1420161370 is 731610241.
It can be written as a sum of positive squares in 4 ways, for example, as 1257624369 + 162537001 = 35463^2 + 12749^2 .
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, 34936 + ... + 63724.
Almost surely, 21420161370 is an apocalyptic number.
1420161370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1420161370 is a deficient number, since it is larger than the sum of its proper divisors (1136736110).
1420161370 is a wasteful number, since it uses less digits than its factorization.
1420161370 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33729.
The product of its (nonzero) digits is 1008, while the sum is 25.
The square root of 1420161370 is about 37685.0284595886. The cubic root of 1420161370 is about 1124.0334400921.
The spelling of 1420161370 in words is "one billion, four hundred twenty million, one hundred sixty-one thousand, three hundred seventy".
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