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122131221301313 = 7347393591277483
BaseRepresentation
bin11011110001001111100100…
…000011111100100001000001
3121000102122000210122122222022
4123301033210003330201001
5112001444220123120223
61111430150345451225
734503455342303630
oct3361174403744101
9530378023578868
10122131221301313
1135a07618519954
1211845a22aa0b15
13531bc038a7863
14222327b2a1517
15e1bda77ddac8
hex6f13e40fc841

122131221301313 has 16 divisors (see below), whose sum is σ = 139984448348160. Its totient is φ = 104379487490256.

The previous prime is 122131221301231. The next prime is 122131221301373. The reversal of 122131221301313 is 313103122131221.

It is a cyclic number.

It is not a de Polignac number, because 122131221301313 - 210 = 122131221300289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122131221301373) 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, 94964270 + ... + 96241752.

It is an arithmetic number, because the mean of its divisors is an integer number (8749028021760).

Almost surely, 2122131221301313 is an apocalyptic number.

It is an amenable number.

122131221301313 is a deficient number, since it is larger than the sum of its proper divisors (17853227046847).

122131221301313 is a wasteful number, since it uses less digits than its factorization.

122131221301313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317196.

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 122131221301313 its reverse (313103122131221), we get a palindrome (435234343432534).

The spelling of 122131221301313 in words is "one hundred twenty-two trillion, one hundred thirty-one billion, two hundred twenty-one million, three hundred one thousand, three hundred thirteen".

Divisors: 1 7 347 2429 39359 275513 1277483 8942381 13657573 95603011 443286601 3103006207 50280453397 351963173779 17447317328759 122131221301313