Base | Representation |
---|---|
bin | 100001001000010110… |
… | …0100010001111110100 |
3 | 20210122100202122201102 |
4 | 1002100230202033310 |
5 | 2131202122223302 |
6 | 52403504345232 |
7 | 5066043056243 |
oct | 1022054421764 |
9 | 223570678642 |
10 | 71147070452 |
11 | 2819a737087 |
12 | 11957015218 |
13 | 692ac99173 |
14 | 362d0c895a |
15 | 1cb6193702 |
hex | 1090b223f4 |
71147070452 has 24 divisors (see below), whose sum is σ = 128719315200. Its totient is φ = 34382858400.
The previous prime is 71147070451. The next prime is 71147070469. The reversal of 71147070452 is 25407074117.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71147070451) 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, 1569452 + ... + 1614147.
It is an arithmetic number, because the mean of its divisors is an integer number (5363304800).
Almost surely, 271147070452 is an apocalyptic number.
It is an amenable number.
71147070452 is a deficient number, since it is larger than the sum of its proper divisors (57572244748).
71147070452 is a wasteful number, since it uses less digits than its factorization.
71147070452 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3183791 (or 3183789 counting only the distinct ones).
The product of its (nonzero) digits is 54880, while the sum is 38.
The spelling of 71147070452 in words is "seventy-one billion, one hundred forty-seven million, seventy thousand, four hundred fifty-two".
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