Base | Representation |
---|---|
bin | 101010010111001001… |
… | …1010111101001010101 |
3 | 22200210221020212112000 |
4 | 1110232103113221111 |
5 | 2442302103031431 |
6 | 105442551145513 |
7 | 6400230645333 |
oct | 1245623275125 |
9 | 280727225460 |
10 | 90971142741 |
11 | 35642924aa6 |
12 | 1576a075299 |
13 | 876a09765b |
14 | 458dc96b53 |
15 | 257675c9e6 |
hex | 152e4d7a55 |
90971142741 has 8 divisors (see below), whose sum is σ = 134772063360. Its totient is φ = 60647428476.
The previous prime is 90971142709. The next prime is 90971142751. The reversal of 90971142741 is 14724117909.
90971142741 is a `hidden beast` number, since 90 + 97 + 11 + 427 + 41 = 666.
It is not a de Polignac number, because 90971142741 - 25 = 90971142709 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (90971142751) 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, 1684650765 + ... + 1684650818.
It is an arithmetic number, because the mean of its divisors is an integer number (16846507920).
Almost surely, 290971142741 is an apocalyptic number.
It is an amenable number.
90971142741 is a deficient number, since it is larger than the sum of its proper divisors (43800920619).
90971142741 is a wasteful number, since it uses less digits than its factorization.
90971142741 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3369301592 (or 3369301586 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 45.
The spelling of 90971142741 in words is "ninety billion, nine hundred seventy-one million, one hundred forty-two thousand, seven hundred forty-one".
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