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115321313030 = 25711831804433
BaseRepresentation
bin110101101100110101…
…1111001011100000110
3102000122221101200112212
41223121223321130012
53342134224004110
6124551115543422
711221524662420
oct1533153713406
9360587350485
10115321313030
11449a8969380
121a424a5ab72
13ab4aaa9541
14581dc05810
152eee36ce05
hex1ad9af9706

115321313030 has 64 divisors (see below), whose sum is σ = 261917203968. Its totient is φ = 35511221760.

The previous prime is 115321313017. The next prime is 115321313039. The reversal of 115321313030 is 30313123511.

It is a junction number, because it is equal to n+sod(n) for n = 115321312987 and 115321313005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115321313039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 838307 + ... + 966126.

It is an arithmetic number, because the mean of its divisors is an integer number (4092456312).

Almost surely, 2115321313030 is an apocalyptic number.

115321313030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115321313030 is an abundant number, since it is smaller than the sum of its proper divisors (146595890938).

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

115321313030 is a wasteful number, since it uses less digits than its factorization.

115321313030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804541.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 115321313030 its reverse (30313123511), we get a palindrome (145634436541).

The spelling of 115321313030 in words is "one hundred fifteen billion, three hundred twenty-one million, three hundred thirteen thousand, thirty".

Divisors: 1 2 5 7 10 11 14 22 35 55 70 77 83 110 154 166 385 415 581 770 830 913 1162 1826 2905 4565 5810 6391 9130 12782 31955 63910 1804433 3608866 9022165 12631031 18044330 19848763 25262062 39697526 63155155 99243815 126310310 138941341 149767939 198487630 277882682 299535878 694706705 748839695 1048375573 1389413410 1497679390 1647447329 2096751146 3294894658 5241877865 8237236645 10483755730 11532131303 16474473290 23064262606 57660656515 115321313030