| Base | Representation |
|---|---|
| bin | 101111111010110110… |
| … | …011110000000000000 |
| 3 | 11220210212022112200200 |
| 4 | 233322312132000000 |
| 5 | 1320334011113122 |
| 6 | 35345353045200 |
| 7 | 3501026115150 |
| oct | 577266360000 |
| 9 | 156725275620 |
| 10 | 51453222912 |
| 11 | 1a904003a23 |
| 12 | 9b7b6b6800 |
| 13 | 4b0cb64840 |
| 14 | 26c1738760 |
| 15 | 151224e5ac |
| hex | bfad9e000 |
51453222912 has 336 divisors, whose sum is σ = 182957480160. Its totient is φ = 13568311296.
The previous prime is 51453222911. The next prime is 51453222913. The reversal of 51453222912 is 21922235415.
51453222912 is a `hidden beast` number, since 5 + 1 + 45 + 322 + 291 + 2 = 666.
It is an interprime number because it is at equal distance from previous prime (51453222911) and next prime (51453222913).
It is a tau number, because it is divible by the number of its divisors (336).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51453222911) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 6705414 + ... + 6713082.
It is an arithmetic number, because the mean of its divisors is an integer number (544516310).
Almost surely, 251453222912 is an apocalyptic number.
51453222912 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51453222912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91478740080).
51453222912 is an abundant number, since it is smaller than the sum of its proper divisors (131504257248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51453222912 is a wasteful number, since it uses less digits than its factorization.
51453222912 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7721 (or 7694 counting only the distinct ones).
The product of its digits is 43200, while the sum is 36.
The spelling of 51453222912 in words is "fifty-one billion, four hundred fifty-three million, two hundred twenty-two thousand, nine hundred twelve".
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