Search a number
-
+
7071454344668 = 2271495557305017
BaseRepresentation
bin110011011100111001110…
…0001100011010111011100
3221001000122210220210002012
41212321303201203113130
51411324314303012133
623012325320050352
71326616142113610
oct146716341432734
927030583823065
107071454344668
112286a9469705a
129625b39039b8
133c3ab216b54c
141a6390069340
15c3e2883bb48
hex66e738635dc

7071454344668 has 48 divisors (see below), whose sum is σ = 14240436369600. Its totient is φ = 3009731959296.

The previous prime is 7071454344637. The next prime is 7071454344673. The reversal of 7071454344668 is 8664434541707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23031296 + ... + 23336312.

It is an arithmetic number, because the mean of its divisors is an integer number (296675757700).

Almost surely, 27071454344668 is an apocalyptic number.

It is an amenable number.

7071454344668 is an abundant number, since it is smaller than the sum of its proper divisors (7168982024932).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7071454344668 is a wasteful number, since it uses less digits than its factorization.

7071454344668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310734 (or 310732 counting only the distinct ones).

The product of its (nonzero) digits is 54190080, while the sum is 59.

The spelling of 7071454344668 in words is "seven trillion, seventy-one billion, four hundred fifty-four million, three hundred forty-four thousand, six hundred sixty-eight".

Divisors: 1 2 4 7 14 28 149 298 596 1043 2086 4172 5557 11114 22228 38899 77798 155596 305017 610034 827993 1220068 1655986 2135119 3311972 4270238 5795951 8540476 11591902 23183804 45447533 90895066 181790132 318132731 636265462 1272530924 1694979469 3389958938 6779917876 11864856283 23729712566 47459425132 252551940881 505103881762 1010207763524 1767863586167 3535727172334 7071454344668