Base | Representation |
---|---|
bin | 10100011101111010… |
… | …10001100011011001 |
3 | 1001100210112121211100 |
4 | 22032331101203121 |
5 | 140001010040240 |
6 | 5014210422013 |
7 | 536205351441 |
oct | 121675214331 |
9 | 31323477740 |
10 | 10988361945 |
11 | 4729709a70 |
12 | 2167b91909 |
13 | 10616b1322 |
14 | 763521121 |
15 | 444a40e30 |
hex | 28ef518d9 |
10988361945 has 96 divisors (see below), whose sum is σ = 21392916480. Its totient is φ = 5171886720.
The previous prime is 10988361919. The next prime is 10988361953. The reversal of 10988361945 is 54916388901.
10988361945 is a `hidden beast` number, since 10 + 9 + 8 + 8 + 3 + 619 + 4 + 5 = 666.
It is not a de Polignac number, because 10988361945 - 27 = 10988361817 is a prime.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 10988361891 and 10988361900.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2952796 + ... + 2956514.
It is an arithmetic number, because the mean of its divisors is an integer number (222842880).
Almost surely, 210988361945 is an apocalyptic number.
10988361945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10988361945 is a deficient number, since it is larger than the sum of its proper divisors (10404554535).
10988361945 is a wasteful number, since it uses less digits than its factorization.
10988361945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3915 (or 3912 counting only the distinct ones).
The product of its (nonzero) digits is 1866240, while the sum is 54.
The spelling of 10988361945 in words is "ten billion, nine hundred eighty-eight million, three hundred sixty-one thousand, nine hundred forty-five".
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