Search a number
-
+
1071006671 = 72712111459
BaseRepresentation
bin111111110101100…
…100001111001111
32202122021202221202
4333311210033033
54143134203141
6254135220115
735353256300
oct7765441717
92678252852
101071006671
114aa612189
1225a81763b
13140b6bc77
14a23527a7
156405a49b
hex3fd643cf

1071006671 has 24 divisors (see below), whose sum is σ = 1270270080. Its totient is φ = 900169200.

The previous prime is 1071006667. The next prime is 1071006683. The reversal of 1071006671 is 1766001701.

It is not a de Polignac number, because 1071006671 - 22 = 1071006667 is a prime.

It is a super-2 number, since 2×10710066712 = 2294110578653004482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071006691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 733340 + ... + 734798.

It is an arithmetic number, because the mean of its divisors is an integer number (52927920).

Almost surely, 21071006671 is an apocalyptic number.

1071006671 is a deficient number, since it is larger than the sum of its proper divisors (199263409).

1071006671 is a wasteful number, since it uses less digits than its factorization.

1071006671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1755 (or 1748 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 1071006671 is about 32726.2382653430. The cubic root of 1071006671 is about 1023.1297789512.

The spelling of 1071006671 in words is "one billion, seventy-one million, six thousand, six hundred seventy-one".

Divisors: 1 7 49 71 211 497 1459 1477 3479 10213 10339 14981 71491 103589 104867 307849 725123 734069 2154943 5075861 15084601 21857279 153000953 1071006671