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143057412427 = 285150177977
BaseRepresentation
bin1000010100111011100…
…0101110000101001011
3111200020220202112010111
42011032320232011023
54320440144144202
6145415240455151
713223044641106
oct2051670560513
9450226675114
10143057412427
11557411a8376
122388577a4b7
131064b128787
146cd16db73d
153ac43566d7
hex214ee2e14b

143057412427 has 4 divisors (see below), whose sum is σ = 143107593256. Its totient is φ = 143007231600.

The previous prime is 143057412403. The next prime is 143057412457. The reversal of 143057412427 is 724214750341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 724214750341 = 1193607053437.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-143057412427 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 143057412427.

It is not an unprimeable number, because it can be changed into a prime (143057412457) 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, 25086138 + ... + 25091839.

It is an arithmetic number, because the mean of its divisors is an integer number (35776898314).

Almost surely, 2143057412427 is an apocalyptic number.

143057412427 is a deficient number, since it is larger than the sum of its proper divisors (50180829).

143057412427 is an equidigital number, since it uses as much as digits as its factorization.

143057412427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50180828.

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 143057412427 in words is "one hundred forty-three billion, fifty-seven million, four hundred twelve thousand, four hundred twenty-seven".

Divisors: 1 2851 50177977 143057412427