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2813230420180 = 225435236254681
BaseRepresentation
bin101000111100000001100…
…110011001000011010100
3100221221102212100120110221
4220330001212121003110
5332042443441421210
65552214043124124
7410151321010465
oct50740146310324
910857385316427
102813230420180
119950a2260034
12395281213644
1317539555b02b
149a238000d6c
154d2a2a891da
hex28f019990d4

2813230420180 has 48 divisors (see below), whose sum is σ = 6056733824064. Its totient is φ = 1097020834560.

The previous prime is 2813230420177. The next prime is 2813230420193. The reversal of 2813230420180 is 810240323182.

It is a happy number.

It is a super-2 number, since 2×28132304201802 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2677561 + ... + 3577120.

It is an arithmetic number, because the mean of its divisors is an integer number (126181954668).

Almost surely, 22813230420180 is an apocalyptic number.

2813230420180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2813230420180 is an abundant number, since it is smaller than the sum of its proper divisors (3243503403884).

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

2813230420180 is a wasteful number, since it uses less digits than its factorization.

2813230420180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6255256 (or 6255254 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 2813230420180 in words is "two trillion, eight hundred thirteen billion, two hundred thirty million, four hundred twenty thousand, one hundred eighty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 523 860 1046 2092 2615 5230 10460 22489 44978 89956 112445 224890 449780 6254681 12509362 25018724 31273405 62546810 125093620 268951283 537902566 1075805132 1344756415 2689512830 3271198163 5379025660 6542396326 13084792652 16355990815 32711981630 65423963260 140661521009 281323042018 562646084036 703307605045 1406615210090 2813230420180