Base | Representation |
---|---|
bin | 100001110111001100… |
… | …1000001100101000100 |
3 | 20221200220122200011200 |
4 | 1003232121001211010 |
5 | 2142412031423322 |
6 | 53223500502500 |
7 | 5153021264535 |
oct | 1035631014504 |
9 | 227626580150 |
10 | 72719014212 |
11 | 28926a95759 |
12 | 1211554aa30 |
13 | 6b1b85a8c0 |
14 | 373bb9868c |
15 | 1d5919e8ac |
hex | 10ee641944 |
72719014212 has 144 divisors (see below), whose sum is σ = 204531425280. Its totient is φ = 21633350400.
The previous prime is 72719014211. The next prime is 72719014219. The reversal of 72719014212 is 21241091727.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (72719014211) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25256989 + ... + 25259867.
It is an arithmetic number, because the mean of its divisors is an integer number (1420357120).
Almost surely, 272719014212 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 72719014212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102265712640).
72719014212 is an abundant number, since it is smaller than the sum of its proper divisors (131812411068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72719014212 is a wasteful number, since it uses less digits than its factorization.
72719014212 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4674 (or 4669 counting only the distinct ones).
The product of its (nonzero) digits is 14112, while the sum is 36.
The spelling of 72719014212 in words is "seventy-two billion, seven hundred nineteen million, fourteen thousand, two hundred twelve".
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