Base | Representation |
---|---|
bin | 1000010000111011000… |
… | …1100001101110001000 |
3 | 111120110221202222122110 |
4 | 2010032301201232020 |
5 | 4311234314104333 |
6 | 145120414222320 |
7 | 13154304155022 |
oct | 2041661415610 |
9 | 446427688573 |
10 | 141981784968 |
11 | 5523a01a561 |
12 | 236254b49a0 |
13 | 1050932c51a |
14 | 6c2c905012 |
15 | 3a5ebd7063 |
hex | 210ec61b88 |
141981784968 has 64 divisors (see below), whose sum is σ = 384574512960. Its totient is φ = 43507408896.
The previous prime is 141981784939. The next prime is 141981784969. The reversal of 141981784968 is 869487189141.
It is a super-2 number, since 2×1419817849682 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 141981784899 and 141981784908.
It is not an unprimeable number, because it can be changed into a prime (141981784969) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4028905 + ... + 4063992.
It is an arithmetic number, because the mean of its divisors is an integer number (6008976765).
Almost surely, 2141981784968 is an apocalyptic number.
It is an amenable number.
141981784968 is an abundant number, since it is smaller than the sum of its proper divisors (242592727992).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
141981784968 is a wasteful number, since it uses less digits than its factorization.
141981784968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8092966 (or 8092962 counting only the distinct ones).
The product of its digits is 27869184, while the sum is 66.
The spelling of 141981784968 in words is "one hundred forty-one billion, nine hundred eighty-one million, seven hundred eighty-four thousand, nine hundred sixty-eight".
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