Base | Representation |
---|---|
bin | 110100010111011001… |
… | …010100000110000000 |
3 | 12101010120011221201100 |
4 | 310113121110012000 |
5 | 1410123113233340 |
6 | 41455205334400 |
7 | 4030234231350 |
oct | 642731240600 |
9 | 171116157640 |
10 | 56227086720 |
11 | 219337a7512 |
12 | aa92407400 |
13 | 53c0bb7a1c |
14 | 2a15772b60 |
15 | 16e13d7830 |
hex | d17654180 |
56227086720 has 384 divisors, whose sum is σ = 225543689280. Its totient is φ = 12640665600.
The previous prime is 56227086709. The next prime is 56227086731. The reversal of 56227086720 is 2768072265.
56227086720 is a `hidden beast` number, since 562 + 2 + 7 + 0 + 8 + 67 + 20 = 666.
It is an interprime number because it is at equal distance from previous prime (56227086709) and next prime (56227086731).
It is a tau number, because it is divible by the number of its divisors (384).
It is a super-2 number, since 2×562270867202 (a number of 22 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2448090 + ... + 2470950.
Almost surely, 256227086720 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 56227086720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112771844640).
56227086720 is an abundant number, since it is smaller than the sum of its proper divisors (169316602560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
56227086720 is a wasteful number, since it uses less digits than its factorization.
56227086720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22954 (or 22939 counting only the distinct ones).
The product of its (nonzero) digits is 564480, while the sum is 45.
The spelling of 56227086720 in words is "fifty-six billion, two hundred twenty-seven million, eighty-six thousand, seven hundred twenty".
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