Search a number
-
+
7071740124385 = 510936229358157
BaseRepresentation
bin110011011101000010010…
…0011101101110011100001
3221001001101201122220011011
41212322010203231303201
51411330410432440020
623012413525220521
71326626212155616
oct146720443556341
927031351586134
107071740124385
112287120a38642
12962673561741
133c3b2942a881
141a63b9dba50d
15c3e4398c35a
hex66e848edce1

7071740124385 has 16 divisors (see below), whose sum is σ = 8564202464400. Its totient is φ = 5605319045376.

The previous prime is 7071740124347. The next prime is 7071740124437. The reversal of 7071740124385 is 5834210471707.

It can be written as a sum of positive squares in 8 ways, for example, as 470992591521 + 6600747532864 = 686289^2 + 2569192^2 .

It is a cyclic number.

It is not a de Polignac number, because 7071740124385 - 215 = 7071740091617 is a prime.

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, 19565727 + ... + 19923883.

It is an arithmetic number, because the mean of its divisors is an integer number (535262654025).

Almost surely, 27071740124385 is an apocalyptic number.

It is an amenable number.

7071740124385 is a deficient number, since it is larger than the sum of its proper divisors (1492462340015).

7071740124385 is a wasteful number, since it uses less digits than its factorization.

7071740124385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394500.

The product of its (nonzero) digits is 1317120, while the sum is 49.

The spelling of 7071740124385 in words is "seven trillion, seventy-one billion, seven hundred forty million, one hundred twenty-four thousand, three hundred eighty-five".

Divisors: 1 5 109 545 36229 181145 358157 1790785 3948961 19744805 39039113 195195565 12975669953 64878349765 1414348024877 7071740124385