Base | Representation |
---|---|
bin | 10011000011100010… |
… | …011011001110111000 |
3 | 1221210220221120221000 |
4 | 103003202123032320 |
5 | 313400333410434 |
6 | 13222134245000 |
7 | 1323012650616 |
oct | 230342331670 |
9 | 57726846830 |
10 | 20460450744 |
11 | 874a433528 |
12 | 3b701b6760 |
13 | 1c10bc33b6 |
14 | dc15046b6 |
15 | 7eb3c0b99 |
hex | 4c389b3b8 |
20460450744 has 64 divisors (see below), whose sum is σ = 58220820000. Its totient is φ = 6653802240.
The previous prime is 20460450737. The next prime is 20460450761. The reversal of 20460450744 is 44705406402.
20460450744 is a `hidden beast` number, since 2 + 0 + 4 + 604 + 5 + 0 + 7 + 44 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 20460450699 and 20460450708.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1146319 + ... + 1164030.
Almost surely, 220460450744 is an apocalyptic number.
20460450744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.
It is an amenable number.
20460450744 is an abundant number, since it is smaller than the sum of its proper divisors (37760369256).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20460450744 is a wasteful number, since it uses less digits than its factorization.
20460450744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2310405 (or 2310395 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 36.
The spelling of 20460450744 in words is "twenty billion, four hundred sixty million, four hundred fifty thousand, seven hundred forty-four".
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