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30234320340 = 22357149948023
BaseRepresentation
bin11100001010000110…
…110001110111010100
32220001002012121110020
4130022012301313110
5443404441222330
621520042225140
72120143324350
oct341206616724
986032177406
1030234320340
1111905538404
125a394b51b0
132b0aaa79a3
14166b602460
15bbe4b2210
hex70a1b1dd4

30234320340 has 96 divisors (see below), whose sum is σ = 96816384000. Its totient is φ = 6905947776.

The previous prime is 30234320339. The next prime is 30234320351. The reversal of 30234320340 is 4302343203.

It is a super-2 number, since 2×302343203402 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30234320340.

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 31 ways as a sum of consecutive naturals, for example, 605569 + ... + 653591.

It is an arithmetic number, because the mean of its divisors is an integer number (1008504000).

Almost surely, 230234320340 is an apocalyptic number.

30234320340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30234320340 is an abundant number, since it is smaller than the sum of its proper divisors (66582063660).

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

30234320340 is a wasteful number, since it uses less digits than its factorization.

30234320340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49541 (or 49539 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 24.

Adding to 30234320340 its reverse (4302343203), we get a palindrome (34536663543).

The spelling of 30234320340 in words is "thirty billion, two hundred thirty-four million, three hundred twenty thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 1499 2998 4497 5996 7495 8994 10493 14990 17988 20986 22485 29980 31479 41972 44970 48023 52465 62958 89940 96046 104930 125916 144069 157395 192092 209860 240115 288138 314790 336161 480230 576276 629580 672322 720345 960460 1008483 1344644 1440690 1680805 2016966 2881380 3361610 4033932 5042415 6723220 10084830 20169660 71986477 143972954 215959431 287945908 359932385 431918862 503905339 719864770 863837724 1007810678 1079797155 1439729540 1511716017 2015621356 2159594310 2519526695 3023432034 4319188620 5039053390 6046864068 7558580085 10078106780 15117160170 30234320340