Base | Representation |
---|---|
bin | 11100101001101110110… |
… | …000010011111000011010 |
3 | 20222020012201202222001210 |
4 | 130221232300103320122 |
5 | 224224404003222144 |
6 | 4104305151523550 |
7 | 262152331612635 |
oct | 34515660237032 |
9 | 6866181688053 |
10 | 1968953179674 |
11 | 69a034815198 |
12 | 27971a5295b6 |
13 | 11389634b080 |
14 | 6b4253cac1c |
15 | 3633c524ab9 |
hex | 1ca6ec13e1a |
1968953179674 has 64 divisors (see below), whose sum is σ = 4360698195840. Its totient is φ = 588746154240.
The previous prime is 1968953179663. The next prime is 1968953179679. The reversal of 1968953179674 is 4769713598691.
It is a junction number, because it is equal to n+sod(n) for n = 1968953179596 and 1968953179605.
It is not an unprimeable number, because it can be changed into a prime (1968953179679) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1981009 + ... + 2803979.
It is an arithmetic number, because the mean of its divisors is an integer number (68135909310).
Almost surely, 21968953179674 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1968953179674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2180349097920).
1968953179674 is an abundant number, since it is smaller than the sum of its proper divisors (2391745016166).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1968953179674 is a wasteful number, since it uses less digits than its factorization.
1968953179674 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 823855.
The product of its digits is 617258880, while the sum is 75.
The spelling of 1968953179674 in words is "one trillion, nine hundred sixty-eight billion, nine hundred fifty-three million, one hundred seventy-nine thousand, six hundred seventy-four".
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