Base | Representation |
---|---|
bin | 1110010010111111001… |
… | …1010101011011110000 |
3 | 212110222100011222112022 |
4 | 3210233303111123300 |
5 | 13011004432402120 |
6 | 304500052251012 |
7 | 23513400043232 |
oct | 3445763253360 |
9 | 773870158468 |
10 | 245615122160 |
11 | 9518a373671 |
12 | 3b728010a68 |
13 | 1a2137c2015 |
14 | bc60312252 |
15 | 65c7dbb025 |
hex | 392fcd56f0 |
245615122160 has 40 divisors (see below), whose sum is σ = 571083272736. Its totient is φ = 98241212160.
The previous prime is 245615122133. The next prime is 245615122169. The reversal of 245615122160 is 61221516542.
It is a tau number, because it is divible by the number of its divisors (40).
It is a self number, because there is not a number n which added to its sum of digits gives 245615122160.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245615122169) 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, 1870997 + ... + 1997963.
Almost surely, 2245615122160 is an apocalyptic number.
245615122160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
245615122160 is an abundant number, since it is smaller than the sum of its proper divisors (325468150576).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245615122160 is a wasteful number, since it uses less digits than its factorization.
245615122160 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 151161 (or 151155 counting only the distinct ones).
The product of its (nonzero) digits is 28800, while the sum is 35.
The spelling of 245615122160 in words is "two hundred forty-five billion, six hundred fifteen million, one hundred twenty-two thousand, one hundred sixty".
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