Base | Representation |
---|---|
bin | 100001011111001110… |
… | …1000000001000111000 |
3 | 20212121212021211210112 |
4 | 1002332131000020320 |
5 | 2134240134004040 |
6 | 53012010403452 |
7 | 5124054202454 |
oct | 1027635001070 |
9 | 225555254715 |
10 | 71914750520 |
11 | 28554002518 |
12 | 11b30130588 |
13 | 6a21044122 |
14 | 36a303d664 |
15 | 1d0d784365 |
hex | 10be740238 |
71914750520 has 32 divisors (see below), whose sum is σ = 162409730400. Its totient is φ = 28658959488.
The previous prime is 71914750489. The next prime is 71914750529. The reversal of 71914750520 is 2505741917.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71914750529) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3331004 + ... + 3352523.
It is an arithmetic number, because the mean of its divisors is an integer number (5075304075).
Almost surely, 271914750520 is an apocalyptic number.
It is an amenable number.
71914750520 is an abundant number, since it is smaller than the sum of its proper divisors (90494979880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71914750520 is a wasteful number, since it uses less digits than its factorization.
71914750520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6683807 (or 6683803 counting only the distinct ones).
The product of its (nonzero) digits is 88200, while the sum is 41.
The spelling of 71914750520 in words is "seventy-one billion, nine hundred fourteen million, seven hundred fifty thousand, five hundred twenty".
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