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13728844882731 = 311765795432633
BaseRepresentation
bin1100011111000111111011…
…1011000010001100101011
31210121110112210201210101110
43013301332323002030223
53244413133242221411
645110535543521403
72614606401031056
oct307617673021453
953543483653343
1013728844882731
114413409031750
1216588aa459263
137878170ac0b4
143566a01a9a9d
1518c1bac462a6
hexc7c7eec232b

13728844882731 has 16 divisors (see below), whose sum is σ = 19969493362560. Its totient is φ = 8320401865920.

The previous prime is 13728844882723. The next prime is 13728844882741.

13728844882731 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13728844882731 - 23 = 13728844882723 is a prime.

It is a super-2 number, since 2×137288448827312 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13728844882741) 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, 189210 + ... + 5243423.

It is an arithmetic number, because the mean of its divisors is an integer number (1248093335160).

Almost surely, 213728844882731 is an apocalyptic number.

13728844882731 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13728844882731 is a deficient number, since it is larger than the sum of its proper divisors (6240648479829).

13728844882731 is a wasteful number, since it uses less digits than its factorization.

13728844882731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509226.

The product of its digits is 115605504, while the sum is 66.

The spelling of 13728844882731 in words is "thirteen trillion, seven hundred twenty-eight billion, eight hundred forty-four million, eight hundred eighty-two thousand, seven hundred thirty-one".

Divisors: 1 3 11 33 76579 229737 842369 2527107 5432633 16297899 59758963 179276889 416025602507 1248076807521 4576281627577 13728844882731