Search a number
-
+
312403101333401 = 13611372875554361
BaseRepresentation
bin100011100001000010000001…
…1111000011011011110011001
31111222010110000021022010021102
41013002010003320123132121
5311421403022420132101
63024232000430521145
7122542244036344001
oct10702040370333631
91458113007263242
10312403101333401
11905a5458409381
122b0559926661b5
1310541641b06950
14572056843b001
15261b4c558686b
hex11c2103e1b799

312403101333401 has 16 divisors (see below), whose sum is σ = 344445403697808. Its totient is φ = 281574282931200.

The previous prime is 312403101333383. The next prime is 312403101333457. The reversal of 312403101333401 is 104333101304213.

It can be written as a sum of positive squares in 8 ways, for example, as 62060930271376 + 250342171062025 = 7877876^2 + 15822205^2 .

It is a cyclic number.

It is not a de Polignac number, because 312403101333401 - 214 = 312403101317017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312403101333461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1437668540 + ... + 1437885821.

It is an arithmetic number, because the mean of its divisors is an integer number (21527837731113).

Almost surely, 2312403101333401 is an apocalyptic number.

It is an amenable number.

312403101333401 is a deficient number, since it is larger than the sum of its proper divisors (32042302364407).

312403101333401 is a wasteful number, since it uses less digits than its factorization.

312403101333401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875554572.

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 312403101333401 its reverse (104333101304213), we get a palindrome (416736202637614).

The spelling of 312403101333401 in words is "three hundred twelve trillion, four hundred three billion, one hundred one million, three hundred thirty-three thousand, four hundred one".

Divisors: 1 13 61 137 793 1781 8357 108641 2875554361 37382206693 175408816021 393950947457 2280314608273 5121362316941 24031007794877 312403101333401