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13052112438 = 234019541267
BaseRepresentation
bin11000010011111011…
…10110111000110110
31020200121212000021210
430021331312320312
5203212320044223
65555052022250
7641305060641
oct141175667066
936617760253
1013052112438
115598639292
122643161986
131300119771
148bb652a58
15515ce7893
hex309f76e36

13052112438 has 16 divisors (see below), whose sum is σ = 26110768320. Its totient is φ = 4349613576.

The previous prime is 13052112433. The next prime is 13052112439. The reversal of 13052112438 is 83421125031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13052112431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246520 + ... + 294747.

It is an arithmetic number, because the mean of its divisors is an integer number (1631923020).

Almost surely, 213052112438 is an apocalyptic number.

13052112438 is an abundant number, since it is smaller than the sum of its proper divisors (13058655882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13052112438 is a wasteful number, since it uses less digits than its factorization.

13052112438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545291.

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 13052112438 its reverse (83421125031), we get a palindrome (96473237469).

The spelling of 13052112438 in words is "thirteen billion, fifty-two million, one hundred twelve thousand, four hundred thirty-eight".

Divisors: 1 2 3 6 4019 8038 12057 24114 541267 1082534 1623801 3247602 2175352073 4350704146 6526056219 13052112438