Base | Representation |
---|---|
bin | 10000001011010011010100… |
… | …101011011111101011110111 |
3 | 100022220102201200221211121111 |
4 | 100023103110223133223313 |
5 | 33311121243023301321 |
6 | 411151425403055451 |
7 | 20662041331645240 |
oct | 2013232453375367 |
9 | 308812650854544 |
10 | 71145406462711 |
11 | 2073a663211659 |
12 | 7b90558811587 |
13 | 3090ca1988199 |
14 | 137d655565cc7 |
15 | 8359c69235e1 |
hex | 40b4d4adfaf7 |
71145406462711 has 32 divisors (see below), whose sum is σ = 85860751638528. Its totient is φ = 57634370803680.
The previous prime is 71145406462709. The next prime is 71145406462723. The reversal of 71145406462711 is 11726460454117.
It is a cyclic number.
It is not a de Polignac number, because 71145406462711 - 21 = 71145406462709 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71145401462711) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1206456 + ... + 11989426.
It is an arithmetic number, because the mean of its divisors is an integer number (2683148488704).
Almost surely, 271145406462711 is an apocalyptic number.
71145406462711 is a deficient number, since it is larger than the sum of its proper divisors (14715345175817).
71145406462711 is a wasteful number, since it uses less digits than its factorization.
71145406462711 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10783491.
The product of its (nonzero) digits is 1128960, while the sum is 49.
The spelling of 71145406462711 in words is "seventy-one trillion, one hundred forty-five billion, four hundred six million, four hundred sixty-two thousand, seven hundred eleven".
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