Base | Representation |
---|---|
bin | 111010101011101… |
… | …0101100101000110 |
3 | 12002020010012111220 |
4 | 1311113111211012 |
5 | 13013034130344 |
6 | 523215341210 |
7 | 66536444211 |
oct | 16527254506 |
9 | 5066105456 |
10 | 1969051974 |
11 | 92052998a |
12 | 46b521806 |
13 | 254c2ca16 |
14 | 149720778 |
15 | b7cecc19 |
hex | 755d5946 |
1969051974 has 8 divisors (see below), whose sum is σ = 3938103960. Its totient is φ = 656350656.
The previous prime is 1969051963. The next prime is 1969052039. The reversal of 1969051974 is 4791509691.
It is a sphenic number, since it is the product of 3 distinct primes.
1969051974 is an admirable number.
It is a congruent number.
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, 164087659 + ... + 164087670.
It is an arithmetic number, because the mean of its divisors is an integer number (492262995).
Almost surely, 21969051974 is an apocalyptic number.
1969051974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1969051974 is a wasteful number, since it uses less digits than its factorization.
1969051974 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 328175334.
The product of its (nonzero) digits is 612360, while the sum is 51.
The square root of 1969051974 is about 44374.0011042502. The cubic root of 1969051974 is about 1253.3885602802.
The spelling of 1969051974 in words is "one billion, nine hundred sixty-nine million, fifty-one thousand, nine hundred seventy-four".
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