Base | Representation |
---|---|
bin | 101000000101100… |
… | …1011101001100100 |
3 | 10110202001121002022 |
4 | 1100023023221210 |
5 | 10223321433310 |
6 | 341250202312 |
7 | 45222143234 |
oct | 12013135144 |
9 | 3422047068 |
10 | 1345108580 |
11 | 630307a92 |
12 | 316583398 |
13 | 18589cb4a |
14 | ca903cc4 |
15 | 7d150a55 |
hex | 502cba64 |
1345108580 has 24 divisors (see below), whose sum is σ = 2826068280. Its totient is φ = 537788160.
The previous prime is 1345108579. The next prime is 1345108627. The reversal of 1345108580 is 858015431.
It can be written as a sum of positive squares in 4 ways, for example, as 124724224 + 1220384356 = 11168^2 + 34934^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1345108580.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30560 + ... + 60200.
It is an arithmetic number, because the mean of its divisors is an integer number (117752845).
Almost surely, 21345108580 is an apocalyptic number.
1345108580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1345108580 is an abundant number, since it is smaller than the sum of its proper divisors (1480959700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1345108580 is a wasteful number, since it uses less digits than its factorization.
1345108580 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31919 (or 31917 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 35.
The square root of 1345108580 is about 36675.7219424512. The cubic root of 1345108580 is about 1103.8730086111.
The spelling of 1345108580 in words is "one billion, three hundred forty-five million, one hundred eight thousand, five hundred eighty".
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