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30143549121 = 371435407101
BaseRepresentation
bin11100000100101100…
…100000111011000001
32212210202101221202020
4130010230200323001
5443213222032441
621503040512053
72114661640260
oct340454407301
985722357666
1030143549121
111186927a674
125a1301b629
132ac50459ca
14165d5345d7
15bb6531e66
hex704b20ec1

30143549121 has 8 divisors (see below), whose sum is σ = 45933027264. Its totient is φ = 17224885200.

The previous prime is 30143549113. The next prime is 30143549159. The reversal of 30143549121 is 12194534103.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30143549121 - 23 = 30143549113 is a prime.

It is a super-2 number, since 2×301435491212 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30143549221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 717703530 + ... + 717703571.

It is an arithmetic number, because the mean of its divisors is an integer number (5741628408).

Almost surely, 230143549121 is an apocalyptic number.

It is an amenable number.

30143549121 is a deficient number, since it is larger than the sum of its proper divisors (15789478143).

30143549121 is a wasteful number, since it uses less digits than its factorization.

30143549121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435407111.

The product of its (nonzero) digits is 12960, while the sum is 33.

The spelling of 30143549121 in words is "thirty billion, one hundred forty-three million, five hundred forty-nine thousand, one hundred twenty-one".

Divisors: 1 3 7 21 1435407101 4306221303 10047849707 30143549121