Search a number
-
+
312141142041421 = 711113230915536669
BaseRepresentation
bin100011011111001000000010…
…1111001000010001101001101
31111221012101211212200021201011
41012332100011321002031031
5311403110024330311141
63023511354442045221
7122514311325164530
oct10676200571021515
91457171755607634
10312141142041421
11905043511a8050
122b013064aa9811
1310522a25167134
1457119d75a6a17
15261479288d881
hex11be405e4234d

312141142041421 has 32 divisors (see below), whose sum is σ = 392776961068800. Its totient is φ = 240969991879680.

The previous prime is 312141142041397. The next prime is 312141142041467. The reversal of 312141142041421 is 124140241141213.

It is a happy number.

It is not a de Polignac number, because 312141142041421 - 215 = 312141142008653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312141142047421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12322275 + ... + 27858943.

It is an arithmetic number, because the mean of its divisors is an integer number (12274280033400).

Almost surely, 2312141142041421 is an apocalyptic number.

It is an amenable number.

312141142041421 is a deficient number, since it is larger than the sum of its proper divisors (80635819027379).

312141142041421 is a wasteful number, since it uses less digits than its factorization.

312141142041421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15539109.

The product of its (nonzero) digits is 6144, while the sum is 31.

Adding to 312141142041421 its reverse (124140241141213), we get a palindrome (436281383182634).

The spelling of 312141142041421 in words is "three hundred twelve trillion, one hundred forty-one billion, one hundred forty-two million, forty-one thousand, four hundred twenty-one".

Divisors: 1 7 11 77 113 791 1243 2309 8701 16163 25399 177793 260917 1826419 2870087 15536669 20090609 108756683 170903359 1196323513 1755643597 12289505179 19312079567 35874168721 135184556969 251119181047 394615855931 2762310991517 4053781065473 28376467458311 44591591720203 312141142041421