Base | Representation |
---|---|
bin | 100001101010110000… |
… | …1111011011101001101 |
3 | 20220121211210222202220 |
4 | 1003111201323131031 |
5 | 2141033242334104 |
6 | 53114241005553 |
7 | 5136465106635 |
oct | 1032541733515 |
9 | 226554728686 |
10 | 72301918029 |
11 | 28732603170 |
12 | 120199238b9 |
13 | 6a83311823 |
14 | 36dc6236c5 |
15 | 1d327607d9 |
hex | 10d587b74d |
72301918029 has 32 divisors (see below), whose sum is σ = 105464678400. Its totient is φ = 43695269760.
The previous prime is 72301918001. The next prime is 72301918043. The reversal of 72301918029 is 92081910327.
It is not a de Polignac number, because 72301918029 - 25 = 72301917997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72301911029) 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, 22529377 + ... + 22532585.
It is an arithmetic number, because the mean of its divisors is an integer number (3295771200).
Almost surely, 272301918029 is an apocalyptic number.
It is an amenable number.
72301918029 is a deficient number, since it is larger than the sum of its proper divisors (33162760371).
72301918029 is a wasteful number, since it uses less digits than its factorization.
72301918029 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4945.
The product of its (nonzero) digits is 54432, while the sum is 42.
The spelling of 72301918029 in words is "seventy-two billion, three hundred one million, nine hundred eighteen thousand, twenty-nine".
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