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135310331310 = 23571167387037
BaseRepresentation
bin111111000000100011…
…1111100110110101110
3110221021000021000201020
41332001013330312232
54204103421100220
6142054413555010
712530054560560
oct1760107746656
9427230230636
10135310331310
11524261776a0
12222831a5a66
13c9b510a7cb
14679886d330
1537be16a040
hex1f811fcdae

135310331310 has 128 divisors (see below), whose sum is σ = 405482886144. Its totient is φ = 28074332160.

The previous prime is 135310331281. The next prime is 135310331347. The reversal of 135310331310 is 13133013531.

It is a super-2 number, since 2×1353103313102 (a number of 23 digits) contains 22 as substring.

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 63 ways as a sum of consecutive naturals, for example, 1511112 + ... + 1598148.

It is an arithmetic number, because the mean of its divisors is an integer number (3167835048).

Almost surely, 2135310331310 is an apocalyptic number.

135310331310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 135310331310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202741443072).

135310331310 is an abundant number, since it is smaller than the sum of its proper divisors (270172554834).

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

135310331310 is a wasteful number, since it uses less digits than its factorization.

135310331310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87738.

The product of its (nonzero) digits is 1215, while the sum is 24.

Adding to 135310331310 its reverse (13133013531), we get a palindrome (148443344841).

The spelling of 135310331310 in words is "one hundred thirty-five billion, three hundred ten million, three hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 77 105 110 154 165 210 231 330 385 462 673 770 1155 1346 2019 2310 3365 4038 4711 6730 7403 9422 10095 14133 14806 20190 22209 23555 28266 37015 44418 47110 51821 70665 74030 87037 103642 111045 141330 155463 174074 222090 259105 261111 310926 435185 518210 522222 609259 777315 870370 957407 1218518 1305555 1554630 1827777 1914814 2611110 2872221 3046295 3655554 4787035 5744442 6092590 6701849 9138885 9574070 13403698 14361105 18277770 20105547 28722210 33509245 40211094 58575901 67018490 100527735 117151802 175727703 201055470 292879505 351455406 410031307 585759010 644334911 820062614 878638515 1230093921 1288669822 1757277030 1933004733 2050156535 2460187842 3221674555 3866009466 4100313070 4510344377 6150469605 6443349110 9020688754 9665023665 12300939210 13531033131 19330047330 22551721885 27062066262 45103443770 67655165655 135310331310