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30421242200 = 2352712142341
BaseRepresentation
bin11100010101001111…
…110101000101011000
32220112002221020001002
4130111033311011120
5444300314222300
621550400444132
72124603202136
oct342517650530
986462836032
1030421242200
11119a0aa8588
125a90019648
132b3a73333b
14168837c756
15bd0ad65d5
hex7153f5158

30421242200 has 48 divisors (see below), whose sum is σ = 71725610160. Its totient is φ = 11997104000.

The previous prime is 30421242199. The next prime is 30421242211. The reversal of 30421242200 is 224212403.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1056971 + ... + 1085370.

It is an arithmetic number, because the mean of its divisors is an integer number (1494283545).

Almost surely, 230421242200 is an apocalyptic number.

It is an amenable number.

30421242200 is an abundant number, since it is smaller than the sum of its proper divisors (41304367960).

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

30421242200 is a wasteful number, since it uses less digits than its factorization.

30421242200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142428 (or 2142419 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 30421242200 its reverse (224212403), we get a palindrome (30645454603).

The spelling of 30421242200 in words is "thirty billion, four hundred twenty-one million, two hundred forty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 71 100 142 200 284 355 568 710 1420 1775 2840 3550 7100 14200 2142341 4284682 8569364 10711705 17138728 21423410 42846820 53558525 85693640 107117050 152106211 214234100 304212422 428468200 608424844 760531055 1216849688 1521062110 3042124220 3802655275 6084248440 7605310550 15210621100 30421242200