Base | Representation |
---|---|
bin | 110101001001101111… |
… | …100101010111010110 |
3 | 12110022102122002111202 |
4 | 311021233211113112 |
5 | 1413340334113210 |
6 | 42115102232502 |
7 | 4060202112662 |
oct | 651157452726 |
9 | 173272562452 |
10 | 57071785430 |
11 | 22227598120 |
12 | b089285732 |
13 | 54c6bbb04a |
14 | 2a95a158a2 |
15 | 174063d9a5 |
hex | d49be55d6 |
57071785430 has 32 divisors (see below), whose sum is σ = 112138318080. Its totient is φ = 20740397920.
The previous prime is 57071785411. The next prime is 57071785457. The reversal of 57071785430 is 3458717075.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15341 + ... + 338199.
It is an arithmetic number, because the mean of its divisors is an integer number (3504322440).
Almost surely, 257071785430 is an apocalyptic number.
57071785430 is a deficient number, since it is larger than the sum of its proper divisors (55066532650).
57071785430 is a wasteful number, since it uses less digits than its factorization.
57071785430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 324484.
The product of its (nonzero) digits is 823200, while the sum is 47.
The spelling of 57071785430 in words is "fifty-seven billion, seventy-one million, seven hundred eighty-five thousand, four hundred thirty".
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