Base | Representation |
---|---|
bin | 100110110101001110… |
… | …1100111111100001000 |
3 | 21222020121222210210210 |
4 | 1031222131213330020 |
5 | 2331240433414123 |
6 | 102150432241120 |
7 | 6011331542433 |
oct | 1155235477410 |
9 | 258217883723 |
10 | 83390529288 |
11 | 32402863a00 |
12 | 141b33a01a0 |
13 | 7b2c6c2c71 |
14 | 407119c81a |
15 | 2280ea4e93 |
hex | 136a767f08 |
83390529288 has 48 divisors (see below), whose sum is σ = 229151669040. Its totient is φ = 25269856480.
The previous prime is 83390529283. The next prime is 83390529331. The reversal of 83390529288 is 88292509338.
It is not an unprimeable number, because it can be changed into a prime (83390529283) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14354970 + ... + 14360777.
It is an arithmetic number, because the mean of its divisors is an integer number (4773993105).
Almost surely, 283390529288 is an apocalyptic number.
83390529288 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
83390529288 is an abundant number, since it is smaller than the sum of its proper divisors (145761139752).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83390529288 is a wasteful number, since it uses less digits than its factorization.
83390529288 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28715778 (or 28715763 counting only the distinct ones).
The product of its (nonzero) digits is 7464960, while the sum is 57.
The spelling of 83390529288 in words is "eighty-three billion, three hundred ninety million, five hundred twenty-nine thousand, two hundred eighty-eight".
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