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30404620404 = 2234145964319
BaseRepresentation
bin11100010100010000…
…011011000001110100
32220110221122202020000
4130110100123001310
5444232040323104
621545004311300
72124312003114
oct342420330164
986427582200
1030404620404
1111992685364
125a86542530
132b37163762
141686093044
15bce401639
hex71441b074

30404620404 has 60 divisors (see below), whose sum is σ = 79539398400. Its totient is φ = 10127769552.

The previous prime is 30404620403. The next prime is 30404620429. The reversal of 30404620404 is 40402640403.

30404620404 is a `hidden beast` number, since 30 + 4 + 0 + 4 + 620 + 4 + 0 + 4 = 666.

It is a super-2 number, since 2×304046204042 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30404620403) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 440557 + ... + 504875.

It is an arithmetic number, because the mean of its divisors is an integer number (1325656640).

Almost surely, 230404620404 is an apocalyptic number.

It is an amenable number.

30404620404 is an abundant number, since it is smaller than the sum of its proper divisors (49134777996).

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

30404620404 is a wasteful number, since it uses less digits than its factorization.

30404620404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65794 (or 65783 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The spelling of 30404620404 in words is "thirty billion, four hundred four million, six hundred twenty thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 1459 2918 4377 5836 8754 13131 17508 26262 39393 52524 64319 78786 118179 128638 157572 192957 236358 257276 385914 472716 578871 771828 1157742 1736613 2315484 3473226 5209839 6946452 10419678 20839356 93841421 187682842 281524263 375365684 563048526 844572789 1126097052 1689145578 2533718367 3378291156 5067436734 7601155101 10134873468 15202310202 30404620404