Base | Representation |
---|---|
bin | 100001101000111110… |
… | …1111001011101111100 |
3 | 20220110200100000011210 |
4 | 1003101331321131330 |
5 | 2140422442003202 |
6 | 53104303444420 |
7 | 5135141032014 |
oct | 1032175713574 |
9 | 226420300153 |
10 | 72242141052 |
11 | 28701894904 |
12 | 120018b6710 |
13 | 6a73b12233 |
14 | 36d4702c44 |
15 | 1d2c3a3c6c |
hex | 10d1f7977c |
72242141052 has 24 divisors (see below), whose sum is σ = 168586616016. Its totient is φ = 24077625088.
The previous prime is 72242141039. The next prime is 72242141093. The reversal of 72242141052 is 25014124227.
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, 287613 + ... + 476660.
It is an arithmetic number, because the mean of its divisors is an integer number (7024442334).
Almost surely, 272242141052 is an apocalyptic number.
It is an amenable number.
72242141052 is an abundant number, since it is smaller than the sum of its proper divisors (96344474964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72242141052 is a wasteful number, since it uses less digits than its factorization.
72242141052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 772157 (or 772155 counting only the distinct ones).
The product of its (nonzero) digits is 8960, while the sum is 30.
Adding to 72242141052 its reverse (25014124227), we get a palindrome (97256265279).
The spelling of 72242141052 in words is "seventy-two billion, two hundred forty-two million, one hundred forty-one thousand, fifty-two".
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