Base | Representation |
---|---|
bin | 100110101011101011… |
… | …1101100111010110000 |
3 | 21221102022020212221210 |
4 | 1031113113230322300 |
5 | 2330111433202322 |
6 | 102054550520120 |
7 | 6000362063220 |
oct | 1152727547260 |
9 | 257368225853 |
10 | 83070209712 |
11 | 32258a71086 |
12 | 14124066040 |
13 | 7aab22c459 |
14 | 404081a080 |
15 | 2262cd070c |
hex | 13575eceb0 |
83070209712 has 160 divisors (see below), whose sum is σ = 248614643200. Its totient is φ = 23411441664.
The previous prime is 83070209707. The next prime is 83070209713. The reversal of 83070209712 is 21790207038.
It is not an unprimeable number, because it can be changed into a prime (83070209713) 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, 7326864 + ... + 7338192.
It is an arithmetic number, because the mean of its divisors is an integer number (1553841520).
Almost surely, 283070209712 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 83070209712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124307321600).
83070209712 is an abundant number, since it is smaller than the sum of its proper divisors (165544433488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
83070209712 is a wasteful number, since it uses less digits than its factorization.
83070209712 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11643 (or 11637 counting only the distinct ones).
The product of its (nonzero) digits is 42336, while the sum is 39.
The spelling of 83070209712 in words is "eighty-three billion, seventy million, two hundred nine thousand, seven hundred twelve".
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