Base | Representation |
---|---|
bin | 10010110101000000111… |
… | …101001111001010111010 |
3 | 11120200201100222201100122 |
4 | 102311000331033022322 |
5 | 132144323441411332 |
6 | 2430221542333242 |
7 | 162323266422245 |
oct | 22650075171272 |
9 | 4520640881318 |
10 | 1293874950842 |
11 | 4598027510a1 |
12 | 18a91812a222 |
13 | 950201574b6 |
14 | 468a3d0825c |
15 | 239cb33ac12 |
hex | 12d40f4f2ba |
1293874950842 has 32 divisors (see below), whose sum is σ = 2123466103872. Its totient is φ = 588791441664.
The previous prime is 1293874950821. The next prime is 1293874950857. The reversal of 1293874950842 is 2480594783921.
It is a super-2 number, since 2×12938749508422 (a number of 25 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2949908 + ... + 3360015.
It is an arithmetic number, because the mean of its divisors is an integer number (66358315746).
Almost surely, 21293874950842 is an apocalyptic number.
1293874950842 is a deficient number, since it is larger than the sum of its proper divisors (829591153030).
1293874950842 is a wasteful number, since it uses less digits than its factorization.
1293874950842 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6310142.
The product of its (nonzero) digits is 34836480, while the sum is 62.
The spelling of 1293874950842 in words is "one trillion, two hundred ninety-three billion, eight hundred seventy-four million, nine hundred fifty thousand, eight hundred forty-two".
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