Search a number
-
+
316256242220201 = 3131424970910473
BaseRepresentation
bin100011111101000100010010…
…0111110011011110010101001
31112110202210122021122220000202
41013322020210332123302221
5312423020241002021301
63040342040104241545
7123420521334444203
oct10772104476336251
91473683567586022
10316256242220201
1191850578a4a608
122b5786b37702b5
1310760ab2c9531a
145814c531c7773
15268683d58566b
hex11fa224f9bca9

316256242220201 has 8 divisors (see below), whose sum is σ = 317288915913000. Its totient is φ = 315223710377472.

The previous prime is 316256242220173. The next prime is 316256242220213. The reversal of 316256242220201 is 102022242652613.

It can be written as a sum of positive squares in 4 ways, for example, as 16927661976976 + 299328580243225 = 4114324^2 + 17301115^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 316256242220201 - 214 = 316256242203817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (316256242220221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30995300 + ... + 39915173.

It is an arithmetic number, because the mean of its divisors is an integer number (39661114489125).

Almost surely, 2316256242220201 is an apocalyptic number.

It is an amenable number.

316256242220201 is a deficient number, since it is larger than the sum of its proper divisors (1032673692799).

316256242220201 is a wasteful number, since it uses less digits than its factorization.

316256242220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70925035.

The product of its (nonzero) digits is 138240, while the sum is 38.

Adding to 316256242220201 its reverse (102022242652613), we get a palindrome (418278484872814).

The spelling of 316256242220201 in words is "three hundred sixteen trillion, two hundred fifty-six billion, two hundred forty-two million, two hundred twenty thousand, two hundred one".

Divisors: 1 313 14249 4459937 70910473 22194978049 1010403329777 316256242220201