Base | Representation |
---|---|
bin | 11001111111001100101100… |
… | …10110100000000000000000 |
3 | 21111100012120000212212120000 |
4 | 30333212112112200000000 |
5 | 24442244140430311140 |
6 | 321312555323320000 |
7 | 15015511323156630 |
oct | 1477462626400000 |
9 | 244305500785500 |
10 | 57147062353920 |
11 | 17232a29972600 |
12 | 64ab597680000 |
13 | 25b6c38b08a26 |
14 | 1017d0adba6c0 |
15 | 6917d60b4a30 |
hex | 33f9965a0000 |
57147062353920 has 4320 divisors, whose sum is σ = 272154664793088. Its totient is φ = 11211374592000.
The previous prime is 57147062353897. The next prime is 57147062353939. The reversal of 57147062353920 is 2935326074175.
57147062353920 is a `hidden beast` number, since 5 + 7 + 1 + 4 + 7 + 0 + 623 + 5 + 3 + 9 + 2 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (4320).
It is a Harshad number since it is a multiple of its sum of digits (54).
It is an unprimeable number.
It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 1393830789100 + ... + 1393830789140.
Almost surely, 257147062353920 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 57147062353920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136077332396544).
57147062353920 is an abundant number, since it is smaller than the sum of its proper divisors (215007602439168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57147062353920 is an equidigital number, since it uses as much as digits as its factorization.
57147062353920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 152 (or 100 counting only the distinct ones).
The product of its (nonzero) digits is 9525600, while the sum is 54.
The spelling of 57147062353920 in words is "fifty-seven trillion, one hundred forty-seven billion, sixty-two million, three hundred fifty-three thousand, nine hundred twenty".
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