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30143201144 = 2373714547877
BaseRepresentation
bin11100000100101011…
…001011111101111000
32212210201202021102012
4130010223023331320
5443213124414034
621503025225052
72114655660620
oct340453137570
985721667365
1030143201144
1111869062191
125a12a92188
132ac4c534c4
14165d483880
15bb64b3cce
hex704acbf78

30143201144 has 32 divisors (see below), whose sum is σ = 66338323680. Its totient is φ = 12569364864.

The previous prime is 30143201129. The next prime is 30143201171. The reversal of 30143201144 is 44110234103.

It is a super-2 number, since 2×301432011442 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7271867 + ... + 7276010.

It is an arithmetic number, because the mean of its divisors is an integer number (2073072615).

Almost surely, 230143201144 is an apocalyptic number.

It is an amenable number.

30143201144 is an abundant number, since it is smaller than the sum of its proper divisors (36195122536).

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

30143201144 is a wasteful number, since it uses less digits than its factorization.

30143201144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14547927 (or 14547923 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 30143201144 its reverse (44110234103), we get a palindrome (74253435247).

The spelling of 30143201144 in words is "thirty billion, one hundred forty-three million, two hundred one thousand, one hundred forty-four".

Divisors: 1 2 4 7 8 14 28 37 56 74 148 259 296 518 1036 2072 14547877 29095754 58191508 101835139 116383016 203670278 407340556 538271449 814681112 1076542898 2153085796 3767900143 4306171592 7535800286 15071600572 30143201144