Base | Representation |
---|---|
bin | 100001001010001001… |
… | …0000100100011010110 |
3 | 20210210112222200111010 |
4 | 1002110102010203112 |
5 | 2131313023220232 |
6 | 52413454153050 |
7 | 5100403366314 |
oct | 1022422044326 |
9 | 223715880433 |
10 | 71207241942 |
11 | 282206a4891 |
12 | 119731b2786 |
13 | 693a5a61b5 |
14 | 36370ad0b4 |
15 | 1cbb5cc0cc |
hex | 10944848d6 |
71207241942 has 16 divisors (see below), whose sum is σ = 142544318832. Its totient is φ = 23714108160.
The previous prime is 71207241907. The next prime is 71207241979. The reversal of 71207241942 is 24914270217.
It is a self number, because there is not a number n which added to its sum of digits gives 71207241942.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5402659 + ... + 5415822.
It is an arithmetic number, because the mean of its divisors is an integer number (8909019927).
Almost surely, 271207241942 is an apocalyptic number.
71207241942 is an abundant number, since it is smaller than the sum of its proper divisors (71337076890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71207241942 is a wasteful number, since it uses less digits than its factorization.
71207241942 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10819583.
The product of its (nonzero) digits is 56448, while the sum is 39.
The spelling of 71207241942 in words is "seventy-one billion, two hundred seven million, two hundred forty-one thousand, nine hundred forty-two".
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