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30143015873143 = 86993465112757
BaseRepresentation
bin1101101101010001101111…
…10000001110101001110111
310221201122101121021212102121
412312220313300032221313
512422330344030420033
6144035302121420411
76230522014301455
oct666506760165167
9127648347255377
1030143015873143
1196716436a7338
123469b0303a707
1313a8621a82664
14762d033539d5
1537415067762d
hex1b6a37c0ea77

30143015873143 has 4 divisors (see below), whose sum is σ = 30146480994600. Its totient is φ = 30139550751688.

The previous prime is 30143015873093. The next prime is 30143015873189. The reversal of 30143015873143 is 34137851034103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30143015873143 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30143015873143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30143015813143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1732547680 + ... + 1732565077.

It is an arithmetic number, because the mean of its divisors is an integer number (7536620248650).

Almost surely, 230143015873143 is an apocalyptic number.

30143015873143 is a deficient number, since it is larger than the sum of its proper divisors (3465121457).

30143015873143 is an equidigital number, since it uses as much as digits as its factorization.

30143015873143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465121456.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 30143015873143 in words is "thirty trillion, one hundred forty-three billion, fifteen million, eight hundred seventy-three thousand, one hundred forty-three".

Divisors: 1 8699 3465112757 30143015873143