Base | Representation |
---|---|
bin | 100001101001110101… |
… | …0110111000100111000 |
3 | 20220112200002012111000 |
4 | 1003103222313010320 |
5 | 2141002300024302 |
6 | 53111204005000 |
7 | 5135635566465 |
oct | 1032352670470 |
9 | 226480065430 |
10 | 72270704952 |
11 | 28716a24336 |
12 | 1200b390760 |
13 | 6a79a03654 |
14 | 36d841a66c |
15 | 1d2eb4731c |
hex | 10d3ab7138 |
72270704952 has 64 divisors (see below), whose sum is σ = 206177709600. Its totient is φ = 23439144960.
The previous prime is 72270704951. The next prime is 72270704981. The reversal of 72270704952 is 25940707227.
72270704952 is a `hidden beast` number, since 7 + 22 + 70 + 70 + 495 + 2 = 666.
It is a junction number, because it is equal to n+sod(n) for n = 72270704898 and 72270704907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72270704951) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4513449 + ... + 4529432.
Almost surely, 272270704952 is an apocalyptic number.
72270704952 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
72270704952 is an abundant number, since it is smaller than the sum of its proper divisors (133907004648).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72270704952 is a wasteful number, since it uses less digits than its factorization.
72270704952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9042933 (or 9042923 counting only the distinct ones).
The product of its (nonzero) digits is 493920, while the sum is 45.
The spelling of 72270704952 in words is "seventy-two billion, two hundred seventy million, seven hundred four thousand, nine hundred fifty-two".
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