Base | Representation |
---|---|
bin | 110101110010011110… |
… | …100111000110110100 |
3 | 12112002001121020202112 |
4 | 311302132213012310 |
5 | 1421240312430342 |
6 | 42310554230152 |
7 | 4113141055016 |
oct | 656236470664 |
9 | 175061536675 |
10 | 57755201972 |
11 | 22548340086 |
12 | b23a125358 |
13 | 55a5672130 |
14 | 2b1c6b41b6 |
15 | 1780637682 |
hex | d727a71b4 |
57755201972 has 12 divisors (see below), whose sum is σ = 108846342276. Its totient is φ = 26656247040.
The previous prime is 57755201971. The next prime is 57755202007. The reversal of 57755201972 is 27910255775.
It can be written as a sum of positive squares in 2 ways, for example, as 37615050916 + 20140151056 = 193946^2 + 141916^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 57755201972.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57755201971) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555338429 + ... + 555338532.
It is an arithmetic number, because the mean of its divisors is an integer number (9070528523).
Almost surely, 257755201972 is an apocalyptic number.
57755201972 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
57755201972 is a deficient number, since it is larger than the sum of its proper divisors (51091140304).
57755201972 is a wasteful number, since it uses less digits than its factorization.
57755201972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1110676978 (or 1110676976 counting only the distinct ones).
The product of its (nonzero) digits is 1543500, while the sum is 50.
The spelling of 57755201972 in words is "fifty-seven billion, seven hundred fifty-five million, two hundred one thousand, nine hundred seventy-two".
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