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1339537168869 = 343471364916187
BaseRepresentation
bin10011011111100010101…
…000110001100111100101
311202001120122111201202220
4103133202220301213211
5133421333003400434
62503212550222553
7165530660032314
oct23374250614745
94661518451686
101339537168869
114771048a0369
12197740354a59
1399419309913
1448b964b827b
1524c9ee86d49
hex137e2a319e5

1339537168869 has 32 divisors (see below), whose sum is σ = 1866722457600. Its totient is φ = 853582824192.

The previous prime is 1339537168847. The next prime is 1339537168897. The reversal of 1339537168869 is 9688617359331.

It is a de Polignac number, because none of the positive numbers 2k-1339537168869 is a prime.

It is a super-2 number, since 2×13395371688692 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339537168169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82745794 + ... + 82761980.

It is an arithmetic number, because the mean of its divisors is an integer number (58335076800).

Almost surely, 21339537168869 is an apocalyptic number.

It is an amenable number.

1339537168869 is a deficient number, since it is larger than the sum of its proper divisors (527185288731).

1339537168869 is a wasteful number, since it uses less digits than its factorization.

1339537168869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29929.

The product of its digits is 176359680, while the sum is 69.

The spelling of 1339537168869 in words is "one trillion, three hundred thirty-nine billion, five hundred thirty-seven million, one hundred sixty-eight thousand, eight hundred sixty-nine".

Divisors: 1 3 43 47 129 141 2021 6063 13649 16187 40947 48561 586907 641503 696041 760789 1760721 1924509 2088123 2282367 27584629 32713927 82753887 98141781 220936363 662809089 9500263609 10384009061 28500790827 31152027183 446512389623 1339537168869