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30042422120 = 2356711209859
BaseRepresentation
bin11011111110101010…
…101111101101101000
32212112201010011120202
4123332222233231220
5443011330001440
621445025211332
72112323242334
oct337652575550
985481104522
1030042422120
1111817189437
1259a5190b48
132aaa0c9249
14164dd2c7c4
15bac708615
hex6feaafb68

30042422120 has 32 divisors (see below), whose sum is σ = 68604343200. Its totient is φ = 11837610048.

The previous prime is 30042422101. The next prime is 30042422131. The reversal of 30042422120 is 2122424003.

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

It is a junction number, because it is equal to n+sod(n) for n = 30042422092 and 30042422101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5602250 + ... + 5607609.

It is an arithmetic number, because the mean of its divisors is an integer number (2143885725).

Almost surely, 230042422120 is an apocalyptic number.

It is an amenable number.

30042422120 is an abundant number, since it is smaller than the sum of its proper divisors (38561921080).

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

30042422120 is a wasteful number, since it uses less digits than its factorization.

30042422120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11209937 (or 11209933 counting only the distinct ones).

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

Adding to 30042422120 its reverse (2122424003), we get a palindrome (32164846123).

The spelling of 30042422120 in words is "thirty billion, forty-two million, four hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 67 134 268 335 536 670 1340 2680 11209859 22419718 44839436 56049295 89678872 112098590 224197180 448394360 751060553 1502121106 3004242212 3755302765 6008484424 7510605530 15021211060 30042422120