Base | Representation |
---|---|
bin | 100001101011111100… |
… | …0111101110001110000 |
3 | 20220201121022112111121 |
4 | 1003113320331301300 |
5 | 2141123411330110 |
6 | 53122213352024 |
7 | 5140455462103 |
oct | 1032770756160 |
9 | 226647275447 |
10 | 72341511280 |
11 | 28752996165 |
12 | 1202b038614 |
13 | 6a8b59519c |
14 | 37039ac73a |
15 | 1d35e81cda |
hex | 10d7e3dc70 |
72341511280 has 40 divisors (see below), whose sum is σ = 168496081632. Its totient is φ = 28884635904.
The previous prime is 72341511269. The next prime is 72341511293. The reversal of 72341511280 is 8211514327.
It is a tau number, because it is divible by the number of its divisors (40).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 767172 + ... + 856291.
Almost surely, 272341511280 is an apocalyptic number.
It is an amenable number.
72341511280 is an abundant number, since it is smaller than the sum of its proper divisors (96154570352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72341511280 is a wasteful number, since it uses less digits than its factorization.
72341511280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1624033 (or 1624027 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 34.
The spelling of 72341511280 in words is "seventy-two billion, three hundred forty-one million, five hundred eleven thousand, two hundred eighty".
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