Base | Representation |
---|---|
bin | 110100000011101110… |
… | …010010110110000100 |
3 | 12100021120010221220020 |
4 | 310003232102312010 |
5 | 1403434120323213 |
6 | 41402335335140 |
7 | 4016116006632 |
oct | 640356226604 |
9 | 170246127806 |
10 | 55897042308 |
11 | 21784472238 |
12 | a9bb9814b0 |
13 | 536a6ca983 |
14 | 29c39bc352 |
15 | 16c2441923 |
hex | d03b92d84 |
55897042308 has 24 divisors (see below), whose sum is σ = 130554204480. Its totient is φ = 18614094240.
The previous prime is 55897042297. The next prime is 55897042309. The reversal of 55897042308 is 80324079855.
It is not an unprimeable number, because it can be changed into a prime (55897042309) 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, 2268888 + ... + 2293391.
It is an arithmetic number, because the mean of its divisors is an integer number (5439758520).
Almost surely, 255897042308 is an apocalyptic number.
It is an amenable number.
55897042308 is an abundant number, since it is smaller than the sum of its proper divisors (74657162172).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55897042308 is a wasteful number, since it uses less digits than its factorization.
55897042308 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4563307 (or 4563305 counting only the distinct ones).
The product of its (nonzero) digits is 2419200, while the sum is 51.
The spelling of 55897042308 in words is "fifty-five billion, eight hundred ninety-seven million, forty-two thousand, three hundred eight".
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