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115321355501430 = 23513736616128029
BaseRepresentation
bin11010001110001001011000…
…011011011111111101110110
3120010022121120112201210220210
4122032021120123133331312
5110103411114002021210
61045133522132010250
733201456460131441
oct3216113033377566
9503277515653823
10115321355501430
113382156a839291
1210b26074760986
134c469ac63a3b0
142069824b5c658
15d4eb8e363e20
hex68e2586dff76

115321355501430 has 128 divisors (see below), whose sum is σ = 302601533109120. Its totient is φ = 27955573493760.

The previous prime is 115321355501419. The next prime is 115321355501437. The reversal of 115321355501430 is 34105553123511.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115321355501437) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15754656 + ... + 21882684.

It is an arithmetic number, because the mean of its divisors is an integer number (2364074477415).

Almost surely, 2115321355501430 is an apocalyptic number.

115321355501430 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 115321355501430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151300766554560).

115321355501430 is an abundant number, since it is smaller than the sum of its proper divisors (187280177607690).

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

115321355501430 is a wasteful number, since it uses less digits than its factorization.

115321355501430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6128786.

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 115321355501430 in words is "one hundred fifteen trillion, three hundred twenty-one billion, three hundred fifty-five million, five hundred one thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 13 15 26 30 39 65 73 78 130 146 195 219 365 390 438 661 730 949 1095 1322 1898 1983 2190 2847 3305 3966 4745 5694 6610 8593 9490 9915 14235 17186 19830 25779 28470 42965 48253 51558 85930 96506 128895 144759 241265 257790 289518 482530 627289 723795 1254578 1447590 1881867 3136445 3763734 6128029 6272890 9409335 12256058 18384087 18818670 30640145 36768174 61280290 79664377 91920435 159328754 183840870 238993131 398321885 447346117 477986262 796643770 894692234 1194965655 1342038351 2236730585 2389931310 2684076702 4050627169 4473461170 5815499521 6710191755 8101254338 11630999042 12151881507 13420383510 17446498563 20253135845 24303763014 29077497605 34892997126 40506271690 52658153197 58154995210 60759407535 87232492815 105316306394 121518815070 157974459591 174464985630 263290765985 295695783337 315948919182 526581531970 591391566674 789872297955 887087350011 1478478916685 1579744595910 1774174700022 2956957833370 3844045183381 4435436750055 7688090366762 8870873500110 11532135550143 19220225916905 23064271100286 38440451833810 57660677750715 115321355501430