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105135312347 = 13157373313799
BaseRepresentation
bin110000111101010001…
…1011000110111011011
3101001101001122020110022
41201322203120313123
53210304114443342
6120144250341055
710411231260422
oct1417243306733
9331331566408
10105135312347
114065116329a
121846172a78b
139bb66c6ac0
1451350a62b9
152b04ebd9d2
hex187a8d8ddb

105135312347 has 16 divisors (see below), whose sum is σ = 113982590400. Its totient is φ = 96397022592.

The previous prime is 105135312319. The next prime is 105135312419. The reversal of 105135312347 is 743213531501.

It is not a de Polignac number, because 105135312347 - 214 = 105135295963 is a prime.

It is a super-2 number, since 2×1051353123472 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105135312547) 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, 7612154 + ... + 7625952.

It is an arithmetic number, because the mean of its divisors is an integer number (7123911900).

Almost surely, 2105135312347 is an apocalyptic number.

105135312347 is a deficient number, since it is larger than the sum of its proper divisors (8847278053).

105135312347 is a wasteful number, since it uses less digits than its factorization.

105135312347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17702.

The product of its (nonzero) digits is 37800, while the sum is 35.

Adding to 105135312347 its reverse (743213531501), we get a palindrome (848348843848).

The spelling of 105135312347 in words is "one hundred five billion, one hundred thirty-five million, three hundred twelve thousand, three hundred forty-seven".

Divisors: 1 13 157 2041 3733 13799 48529 179387 586081 2166443 7619053 28163759 51511667 669651671 8087331719 105135312347