Base | Representation |
---|---|
bin | 111010101011101… |
… | …1001110101000010 |
3 | 12002020011002101111 |
4 | 1311113121311002 |
5 | 13013040210003 |
6 | 523215553534 |
7 | 66536546023 |
oct | 16527316502 |
9 | 5066132344 |
10 | 1969069378 |
11 | 920540a71 |
12 | 46b52b8aa |
13 | 254c37913 |
14 | 149726c4a |
15 | b7d02e6d |
hex | 755d9d42 |
1969069378 has 8 divisors (see below), whose sum is σ = 2955102480. Its totient is φ = 984035220.
The previous prime is 1969069343. The next prime is 1969069381. The reversal of 1969069378 is 8739609691.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244788 + ... + 252703.
It is an arithmetic number, because the mean of its divisors is an integer number (369387810).
Almost surely, 21969069378 is an apocalyptic number.
1969069378 is a deficient number, since it is larger than the sum of its proper divisors (986033102).
1969069378 is a wasteful number, since it uses less digits than its factorization.
1969069378 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 499472.
The product of its (nonzero) digits is 4408992, while the sum is 58.
The square root of 1969069378 is about 44374.1972096397. The cubic root of 1969069378 is about 1253.3922530743.
The spelling of 1969069378 in words is "one billion, nine hundred sixty-nine million, sixty-nine thousand, three hundred seventy-eight".
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