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30142343200 = 2552113333433
BaseRepresentation
bin11100000100100111…
…111010100000100000
32212210200010200112111
4130010213322200200
5443212414440300
621502555005104
72114645455414
oct340447724040
985720120474
1030142343200
1111868626642
125a12739794
132ac4a12b48
14165d2dcd44
15bb63949ba
hex7049fa820

30142343200 has 72 divisors (see below), whose sum is σ = 74236412628. Its totient is φ = 11950202880.

The previous prime is 30142343167. The next prime is 30142343201. The reversal of 30142343200 is 234324103.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1558354576 + 28583988624 = 39476^2 + 169068^2 .

It is not an unprimeable number, because it can be changed into a prime (30142343201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76317 + ... + 257116.

Almost surely, 230142343200 is an apocalyptic number.

It is an amenable number.

30142343200 is an abundant number, since it is smaller than the sum of its proper divisors (44094069428).

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

30142343200 is a wasteful number, since it uses less digits than its factorization.

30142343200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333566 (or 333553 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30142343200 its reverse (234324103), we get a palindrome (30376667303).

The spelling of 30142343200 in words is "thirty billion, one hundred forty-two million, three hundred forty-three thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 113 160 200 226 400 452 565 800 904 1130 1808 2260 2825 3616 4520 5650 9040 11300 18080 22600 45200 90400 333433 666866 1333732 1667165 2667464 3334330 5334928 6668660 8335825 10669856 13337320 16671650 26674640 33343300 37677929 53349280 66686600 75355858 133373200 150711716 188389645 266746400 301423432 376779290 602846864 753558580 941948225 1205693728 1507117160 1883896450 3014234320 3767792900 6028468640 7535585800 15071171600 30142343200