Base | Representation |
---|---|
bin | 101000110010011… |
… | …1000100010010010 |
3 | 10112101022021011000 |
4 | 1101210320202102 |
5 | 10300331421000 |
6 | 343450202430 |
7 | 45626051151 |
oct | 12144704222 |
9 | 3471267130 |
10 | 1368623250 |
11 | 6426089a5 |
12 | 322423416 |
13 | 18a713c57 |
14 | cdaa5598 |
15 | 80248000 |
hex | 51938892 |
1368623250 has 128 divisors (see below), whose sum is σ = 4019258880. Its totient is φ = 343468800.
The previous prime is 1368623231. The next prime is 1368623251. The reversal of 1368623250 is 523268631.
It is a happy number.
1368623250 is a `hidden beast` number, since 1 + 3 + 6 + 8 + 623 + 25 + 0 = 666.
It is not an unprimeable number, because it can be changed into a prime (1368623251) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108787 + ... + 120713.
It is an arithmetic number, because the mean of its divisors is an integer number (31400460).
Almost surely, 21368623250 is an apocalyptic number.
1368623250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 1368623250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2009629440).
1368623250 is an abundant number, since it is smaller than the sum of its proper divisors (2650635630).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1368623250 is a wasteful number, since it uses less digits than its factorization.
1368623250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11970 (or 11954 counting only the distinct ones).
The product of its (nonzero) digits is 51840, while the sum is 36.
The square root of 1368623250 is about 36994.9084334588. The cubic root of 1368623250 is about 1110.2683792250.
The spelling of 1368623250 in words is "one billion, three hundred sixty-eight million, six hundred twenty-three thousand, two hundred fifty".
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