Base | Representation |
---|---|
bin | 110000001010001110… |
… | …011001111000011101 |
3 | 11221110211122220000102 |
4 | 300022032121320131 |
5 | 1321401023440431 |
6 | 35431125310445 |
7 | 3510310400000 |
oct | 601216317035 |
9 | 157424586012 |
10 | 51711155741 |
11 | 1aa26665753 |
12 | a031b65425 |
13 | 4b51423c0b |
14 | 2707abb537 |
15 | 1529beddcb |
hex | c0a399e1d |
51711155741 has 48 divisors (see below), whose sum is σ = 62496499968. Its totient is φ = 42757008000.
The previous prime is 51711155723. The next prime is 51711155761. The reversal of 51711155741 is 14755111715.
It is a de Polignac number, because none of the positive numbers 2k-51711155741 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 51711155695 and 51711155704.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (51711155701) 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 47 ways as a sum of consecutive naturals, for example, 69597416 + ... + 69598158.
It is an arithmetic number, because the mean of its divisors is an integer number (1302010416).
Almost surely, 251711155741 is an apocalyptic number.
It is an amenable number.
51711155741 is a deficient number, since it is larger than the sum of its proper divisors (10785344227).
51711155741 is an frugal number, since it uses more digits than its factorization.
51711155741 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 920 (or 892 counting only the distinct ones).
The product of its digits is 24500, while the sum is 38.
The spelling of 51711155741 in words is "fifty-one billion, seven hundred eleven million, one hundred fifty-five thousand, seven hundred forty-one".
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