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13761481497368 = 2311837549249583
BaseRepresentation
bin1100100001000001100000…
…1101110101101100011000
31210201120210022021121002112
43020100120031311230120
53300432003230403433
645133534243451452
72620143224466053
oct310203015655430
953646708247075
1013761481497368
1144262365a9340
121663098386b88
1378a918796aa7
143580b8867a9a
1518ce7b084348
hexc8418375b18

13761481497368 has 64 divisors (see below), whose sum is σ = 28491511104000. Its totient is φ = 6179011390080.

The previous prime is 13761481497367. The next prime is 13761481497389. The reversal of 13761481497368 is 86379418416731.

It is a super-2 number, since 2×137614814973682 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13761481497298 and 13761481497307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13761481497367) 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, 55013105 + ... + 55262687.

It is an arithmetic number, because the mean of its divisors is an integer number (445179861000).

Almost surely, 213761481497368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13761481497368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14245755552000).

13761481497368 is an abundant number, since it is smaller than the sum of its proper divisors (14730029606632).

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

13761481497368 is a wasteful number, since it uses less digits than its factorization.

13761481497368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257232 (or 257228 counting only the distinct ones).

The product of its digits is 146313216, while the sum is 68.

The spelling of 13761481497368 in words is "thirteen trillion, seven hundred sixty-one billion, four hundred eighty-one million, four hundred ninety-seven thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 11 22 44 83 88 166 332 664 913 1826 3652 7304 7549 15098 30196 60392 83039 166078 249583 332156 499166 626567 664312 998332 1253134 1996664 2506268 2745413 5012536 5490826 6892237 10981652 13784474 20715389 21963304 27568948 41430778 55137896 82861556 165723112 227869279 455738558 911477116 1822954232 1884102067 3768204134 7536408268 15072816536 20725122737 41450245474 82900490948 156380471561 165800981896 312760943122 625521886244 1251043772488 1720185187171 3440370374342 6880740748684 13761481497368