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13982056237381 = 1273591913160309
BaseRepresentation
bin1100101101110111001101…
…1111101100100101000101
31211111200010112120100220211
43023131303133230211011
53313040222344044011
645423133513555421
72642112250031611
oct313356337544505
954450115510824
1013982056237381
114500836264201
121699996415b71
137a566b583b2b
14364a412c0341
15193a8a952b21
hexcb7737ec945

13982056237381 has 16 divisors (see below), whose sum is σ = 14138880307200. Its totient is φ = 13826003280768.

The previous prime is 13982056237379. The next prime is 13982056237417. The reversal of 13982056237381 is 18373265028931.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13982056237381 - 21 = 13982056237379 is a prime.

It is a super-2 number, since 2×139820562373812 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13982056207381) 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, 87139255 + ... + 87299563.

It is an arithmetic number, because the mean of its divisors is an integer number (883680019200).

Almost surely, 213982056237381 is an apocalyptic number.

It is an amenable number.

13982056237381 is a deficient number, since it is larger than the sum of its proper divisors (156824069819).

13982056237381 is a wasteful number, since it uses less digits than its factorization.

13982056237381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162708.

The product of its (nonzero) digits is 13063680, while the sum is 58.

The spelling of 13982056237381 in words is "thirteen trillion, nine hundred eighty-two billion, fifty-six million, two hundred thirty-seven thousand, three hundred eighty-one".

Divisors: 1 127 359 1913 45593 160309 242951 686767 20359243 57550931 87219409 306671117 7308968237 38947231859 110094931003 13982056237381