Base | Representation |
---|---|
bin | 100111111100101011… |
… | …1100100110000101100 |
3 | 22012102201102021100022 |
4 | 1033321113210300230 |
5 | 2401143222212132 |
6 | 103224400221312 |
7 | 6124623456560 |
oct | 1177127446054 |
9 | 265381367308 |
10 | 85788085292 |
11 | 33423157248 |
12 | 1476230a838 |
13 | 8122334360 |
14 | 421b7836a0 |
15 | 23716e6e12 |
hex | 13f95e4c2c |
85788085292 has 24 divisors (see below), whose sum is σ = 184774338336. Its totient is φ = 33938143488.
The previous prime is 85788085291. The next prime is 85788085343. The reversal of 85788085292 is 29258088758.
It is not an unprimeable number, because it can be changed into a prime (85788085291) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117840413 + ... + 117841140.
It is an arithmetic number, because the mean of its divisors is an integer number (7698930764).
Almost surely, 285788085292 is an apocalyptic number.
It is an amenable number.
85788085292 is an abundant number, since it is smaller than the sum of its proper divisors (98986253044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85788085292 is a wasteful number, since it uses less digits than its factorization.
85788085292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 235681577 (or 235681575 counting only the distinct ones).
The product of its (nonzero) digits is 25804800, while the sum is 62.
The spelling of 85788085292 in words is "eighty-five billion, seven hundred eighty-eight million, eighty-five thousand, two hundred ninety-two".
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