Search a number
-
+
321240112221413 = 711231091978447311
BaseRepresentation
bin100100100001010101000101…
…0110001101100110011100101
31120010102020212202100011211102
41021002222022301230303211
5314101144222212041123
63055115400435045445
7124443555306461660
oct11102521261546345
91503366782304742
10321240112221413
11933a2191700260
123004259b740885
1310a32a743882b8
14594816663c6d7
1527212d4b83028
hex1242a8ac6cce5

321240112221413 has 64 divisors (see below), whose sum is σ = 423895577149440. Its totient is φ = 236032708665600.

The previous prime is 321240112221403. The next prime is 321240112221463. The reversal of 321240112221413 is 314122211042123.

It is not a de Polignac number, because 321240112221413 - 24 = 321240112221397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321240112221403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33805028 + ... + 42252338.

It is an arithmetic number, because the mean of its divisors is an integer number (6623368392960).

Almost surely, 2321240112221413 is an apocalyptic number.

It is an amenable number.

321240112221413 is a deficient number, since it is larger than the sum of its proper divisors (102655464928027).

321240112221413 is a wasteful number, since it uses less digits than its factorization.

321240112221413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8447658.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 321240112221413 its reverse (314122211042123), we get a palindrome (635362323263536).

The spelling of 321240112221413 in words is "three hundred twenty-one trillion, two hundred forty billion, one hundred twelve million, two hundred twenty-one thousand, four hundred thirteen".

Divisors: 1 7 11 23 77 109 161 197 253 763 1199 1379 1771 2167 2507 4531 8393 15169 17549 21473 27577 31717 49841 150311 193039 236203 348887 493879 1653421 3457153 5432669 8447311 38028683 59131177 92920421 194288153 650442947 920756899 1360017071 1664120267 2137169683 6445298293 10128325889 11648841869 14960187781 18305322937 21177408677 38274766141 70898281223 128137260559 148241860739 181389109103 232951495447 267923362987 421022427551 1269723763721 1630660468129 1995280200133 2947156992857 4171949509369 13966961400931 29203646565583 45891444603059 321240112221413