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305344002120 = 23353182081721
BaseRepresentation
bin1000111000101111110…
…10111011100001001000
31002012010221121110111120
410130113322323201020
520000321031031440
6352134553355240
731026465123423
oct4342772734110
91065127543446
10305344002120
1110854a802183
124b217108b20
1322a42023641
1410ac8b8c9ba
157e21916dd0
hex4717ebb848

305344002120 has 64 divisors (see below), whose sum is σ = 945581437440. Its totient is φ = 78798451200.

The previous prime is 305344002091. The next prime is 305344002137. The reversal of 305344002120 is 21200443503.

305344002120 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×3053440021203 (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41037141 + ... + 41044580.

It is an arithmetic number, because the mean of its divisors is an integer number (14774709960).

Almost surely, 2305344002120 is an apocalyptic number.

305344002120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

305344002120 is an abundant number, since it is smaller than the sum of its proper divisors (640237435320).

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

305344002120 is a wasteful number, since it uses less digits than its factorization.

305344002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82081766 (or 82081762 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 305344002120 its reverse (21200443503), we get a palindrome (326544445623).

The spelling of 305344002120 in words is "three hundred five billion, three hundred forty-four million, two thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 31 40 60 62 93 120 124 155 186 248 310 372 465 620 744 930 1240 1860 3720 82081721 164163442 246245163 328326884 410408605 492490326 656653768 820817210 984980652 1231225815 1641634420 1969961304 2462451630 2544533351 3283268840 4924903260 5089066702 7633600053 9849806520 10178133404 12722666755 15267200106 20356266808 25445333510 30534400212 38168000265 50890667020 61068800424 76336000530 101781334040 152672001060 305344002120