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30342000400 = 24521512272213
BaseRepresentation
bin11100010000100001…
…100010111100010000
32220022120211022201121
4130100201202330100
5444120023003100
621534450212024
72122621514365
oct342041427420
986276738647
1030342000400
11119602a4a98
125a69584014
132b271aa0ba
14167ba3246c
15bc8b8251a
hex710862f10

30342000400 has 120 divisors (see below), whose sum is σ = 73735977024. Its totient is φ = 11997888000.

The previous prime is 30342000397. The next prime is 30342000421. The reversal of 30342000400 is 400024303.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13709694 + ... + 13711906.

Almost surely, 230342000400 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30342000400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36867988512).

30342000400 is an abundant number, since it is smaller than the sum of its proper divisors (43393976624).

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

30342000400 is a wasteful number, since it uses less digits than its factorization.

30342000400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609 (or 2598 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 16.

Adding to 30342000400 its reverse (400024303), we get a palindrome (30742024703).

The spelling of 30342000400 in words is "thirty billion, three hundred forty-two million, four hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 151 200 227 302 400 454 604 755 908 1135 1208 1510 1816 2213 2270 2416 3020 3632 3775 4426 4540 5675 6040 7550 8852 9080 11065 11350 12080 15100 17704 18160 22130 22700 30200 34277 35408 44260 45400 55325 60400 68554 88520 90800 110650 137108 171385 177040 221300 274216 334163 342770 442600 502351 548432 668326 685540 856925 885200 1004702 1336652 1371080 1670815 1713850 2009404 2511755 2673304 2742160 3341630 3427700 4018808 5023510 5346608 6683260 6855400 8037616 8354075 10047020 12558775 13366520 13710800 16708150 20094040 25117550 26733040 33416300 40188080 50235100 66832600 75855001 100470200 133665200 151710002 200940400 303420004 379275005 606840008 758550010 1213680016 1517100020 1896375025 3034200040 3792750050 6068400080 7585500100 15171000200 30342000400