Base | Representation |
---|---|
bin | 100001100011110100… |
… | …0111011100011100011 |
3 | 20220000121022001022000 |
4 | 1003013220323203203 |
5 | 2140044112404134 |
6 | 53035154015043 |
7 | 5130635210445 |
oct | 1030750734343 |
9 | 226017261260 |
10 | 72068872419 |
11 | 28622aaa595 |
12 | 11b73877483 |
13 | 6a46c5720b |
14 | 36b96bc495 |
15 | 1d1c079e99 |
hex | 10c7a3b8e3 |
72068872419 has 16 divisors (see below), whose sum is σ = 106818193440. Its totient is φ = 48023642880.
The previous prime is 72068872409. The next prime is 72068872423. The reversal of 72068872419 is 91427886027.
It is a happy number.
It is not a de Polignac number, because 72068872419 - 28 = 72068872163 is a prime.
It is a super-2 number, since 2×720688724192 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (72068872409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559242 + ... + 675935.
It is an arithmetic number, because the mean of its divisors is an integer number (6676137090).
Almost surely, 272068872419 is an apocalyptic number.
72068872419 is a deficient number, since it is larger than the sum of its proper divisors (34749321021).
72068872419 is a wasteful number, since it uses less digits than its factorization.
72068872419 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1237347 (or 1237341 counting only the distinct ones).
The product of its (nonzero) digits is 2709504, while the sum is 54.
The spelling of 72068872419 in words is "seventy-two billion, sixty-eight million, eight hundred seventy-two thousand, four hundred nineteen".
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