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7438311443113 = 31597157279907
BaseRepresentation
bin110110000111101110111…
…1010010100101010101001
3222100002120201021022021121
41230033131322110222221
51433332130212134423
623453040232535241
71365254202026515
oct154173572245251
928302521238247
107438311443113
11240862a990a21
12a01717551521
1341c578248325
141ba03261d145
15cd74a73b45d
hex6c3dde94aa9

7438311443113 has 16 divisors (see below), whose sum is σ = 7918374481920. Its totient is φ = 6976692550800.

The previous prime is 7438311443111. The next prime is 7438311443203. The reversal of 7438311443113 is 3113441138347.

It is a cyclic number.

It is not a de Polignac number, because 7438311443113 - 21 = 7438311443111 is a prime.

It is a super-3 number, since 3×74383114431133 (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7438311443113.

It is not an unprimeable number, because it can be changed into a prime (7438311443111) 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, 28510095 + ... + 28769812.

It is an arithmetic number, because the mean of its divisors is an integer number (494898405120).

Almost surely, 27438311443113 is an apocalyptic number.

It is an amenable number.

7438311443113 is a deficient number, since it is larger than the sum of its proper divisors (480063038807).

7438311443113 is a wasteful number, since it uses less digits than its factorization.

7438311443113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57280068.

The product of its digits is 290304, while the sum is 43.

The spelling of 7438311443113 in words is "seven trillion, four hundred thirty-eight billion, three hundred eleven million, four hundred forty-three thousand, one hundred thirteen".

Divisors: 1 31 59 71 1829 2201 4189 129859 57279907 1775677117 3379514513 4066873397 104764949903 126073075307 239945530423 7438311443113