Base | Representation |
---|---|
bin | 100101101111110001… |
… | …1101011101001001110 |
3 | 21202020012211221021112 |
4 | 1023133203223221032 |
5 | 2312002340144202 |
6 | 101123302532022 |
7 | 5566513230251 |
oct | 1133743535116 |
9 | 252205757245 |
10 | 81060084302 |
11 | 3141733910a |
12 | 13862a37012 |
13 | 784a94b432 |
14 | 3ccd887098 |
15 | 21965bcb52 |
hex | 12df8eba4e |
81060084302 has 4 divisors (see below), whose sum is σ = 121590126456. Its totient is φ = 40530042150.
The previous prime is 81060084253. The next prime is 81060084311. The reversal of 81060084302 is 20348006018.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20265021074 + ... + 20265021077.
It is an arithmetic number, because the mean of its divisors is an integer number (30397531614).
Almost surely, 281060084302 is an apocalyptic number.
81060084302 is a deficient number, since it is larger than the sum of its proper divisors (40530042154).
81060084302 is a wasteful number, since it uses less digits than its factorization.
81060084302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40530042153.
The product of its (nonzero) digits is 9216, while the sum is 32.
The spelling of 81060084302 in words is "eighty-one billion, sixty million, eighty-four thousand, three hundred two".
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