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13105520751390 = 2351493187919951
BaseRepresentation
bin1011111010110101110111…
…1010001011001100011110
31201101212122021102002200220
42332231131322023030132
53204210101303021030
643512332040302210
72521562010240114
oct276553572131436
951355567362626
1013105520751390
1141a3024893051
121577b30471966
13740acb195c52
1433444c381ab4
1517ad883dea10
hexbeb5de8b31e

13105520751390 has 64 divisors (see below), whose sum is σ = 31674315340800. Its totient is φ = 3470257468800.

The previous prime is 13105520751371. The next prime is 13105520751451. The reversal of 13105520751390 is 9315702550131.

It is a happy number.

It is a super-3 number, since 3×131055207513903 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13785915 + ... + 14705865.

It is an arithmetic number, because the mean of its divisors is an integer number (494911177200).

Almost surely, 213105520751390 is an apocalyptic number.

13105520751390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13105520751390 is an abundant number, since it is smaller than the sum of its proper divisors (18568794589410).

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

13105520751390 is a wasteful number, since it uses less digits than its factorization.

13105520751390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923297.

The product of its (nonzero) digits is 141750, while the sum is 42.

The spelling of 13105520751390 in words is "thirteen trillion, one hundred five billion, five hundred twenty million, seven hundred fifty-one thousand, three hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 149 298 447 745 894 1490 2235 3187 4470 6374 9561 15935 19122 31870 47805 95610 474863 919951 949726 1424589 1839902 2374315 2759853 2849178 4599755 4748630 5519706 7122945 9199510 13799265 14245890 27598530 137072699 274145398 411218097 685363495 822436194 1370726990 2056090485 2931883837 4112180970 5863767674 8795651511 14659419185 17591303022 29318838370 43978257555 87956515110 436850691713 873701383426 1310552075139 2184253458565 2621104150278 4368506917130 6552760375695 13105520751390