Base | Representation |
---|---|
bin | 100001000011111111… |
… | …0011011101000011001 |
3 | 20210021011110200010002 |
4 | 1002013332123220121 |
5 | 2130402144021001 |
6 | 52341200502345 |
7 | 5062315363463 |
oct | 1020776335031 |
9 | 223234420102 |
10 | 71000767001 |
11 | 2812509a13a |
12 | 1191601a9b5 |
13 | 6906892988 |
14 | 36178c3133 |
15 | 1ca83e446b |
hex | 1087f9ba19 |
71000767001 has 4 divisors (see below), whose sum is σ = 71001374004. Its totient is φ = 71000160000.
The previous prime is 71000766997. The next prime is 71000767007. The reversal of 71000767001 is 10076700017.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 10465085401 + 60535681600 = 102299^2 + 246040^2 .
It is a cyclic number.
It is not a de Polignac number, because 71000767001 - 22 = 71000766997 is a prime.
It is a super-2 number, since 2×710007670012 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (71000767007) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66200 + ... + 382601.
It is an arithmetic number, because the mean of its divisors is an integer number (17750343501).
Almost surely, 271000767001 is an apocalyptic number.
It is an amenable number.
71000767001 is a deficient number, since it is larger than the sum of its proper divisors (607003).
71000767001 is a wasteful number, since it uses less digits than its factorization.
71000767001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 607002.
The product of its (nonzero) digits is 2058, while the sum is 29.
The spelling of 71000767001 in words is "seventy-one billion, seven hundred sixty-seven thousand, one".
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