Base | Representation |
---|---|
bin | 100001011111000010… |
… | …1001001110000011101 |
3 | 20212121102112012120210 |
4 | 1002332011021300131 |
5 | 2134232033422321 |
6 | 53011224403033 |
7 | 5123650103052 |
oct | 1027605116035 |
9 | 225542465523 |
10 | 71908498461 |
11 | 28550522228 |
12 | 11b2a016479 |
13 | 6a1c965497 |
14 | 36a2293029 |
15 | 1d0ce4bb76 |
hex | 10be149c1d |
71908498461 has 8 divisors (see below), whose sum is σ = 95901179040. Its totient is φ = 47927408432.
The previous prime is 71908498399. The next prime is 71908498469. The reversal of 71908498461 is 16489480917.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 71908498461 - 217 = 71908367389 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71908498469) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2883150 + ... + 2907983.
It is an arithmetic number, because the mean of its divisors is an integer number (11987647380).
Almost surely, 271908498461 is an apocalyptic number.
It is an amenable number.
71908498461 is a deficient number, since it is larger than the sum of its proper divisors (23992680579).
71908498461 is a wasteful number, since it uses less digits than its factorization.
71908498461 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5795275.
The product of its (nonzero) digits is 3483648, while the sum is 57.
The spelling of 71908498461 in words is "seventy-one billion, nine hundred eight million, four hundred ninety-eight thousand, four hundred sixty-one".
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