Base | Representation |
---|---|
bin | 1000001111101011111… |
… | …1101110101101000000 |
3 | 111112121211101201122001 |
4 | 2003322333232231000 |
5 | 4310044342320330 |
6 | 145023442153344 |
7 | 13143134553340 |
oct | 2037277565500 |
9 | 445554351561 |
10 | 141649963840 |
11 | 55089791420 |
12 | 23552352854 |
13 | 1048566c868 |
14 | 6bda80ad20 |
15 | 3a409de9ca |
hex | 20fafeeb40 |
141649963840 has 224 divisors, whose sum is σ = 438820706304. Its totient is φ = 42230876160.
The previous prime is 141649963781. The next prime is 141649963841. The reversal of 141649963840 is 48369946141.
It is a tau number, because it is divible by the number of its divisors (224).
It is a Harshad number since it is a multiple of its sum of digits (55).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (141649963841) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 441747 + ... + 691693.
Almost surely, 2141649963840 is an apocalyptic number.
141649963840 is a gapful number since it is divisible by the number (10) 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 141649963840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219410353152).
141649963840 is an abundant number, since it is smaller than the sum of its proper divisors (297170742464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
141649963840 is a wasteful number, since it uses less digits than its factorization.
141649963840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250005 (or 249995 counting only the distinct ones).
The product of its (nonzero) digits is 4478976, while the sum is 55.
The spelling of 141649963840 in words is "one hundred forty-one billion, six hundred forty-nine million, nine hundred sixty-three thousand, eight hundred forty".
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