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143020310421 = 3192509128253
BaseRepresentation
bin1000010100110010101…
…1001011111110010101
3111200011022221112202010
42011030223023332111
54320401144413141
6145411433334433
713222114403022
oct2051453137625
9450138845663
10143020310421
115572226705a
1223875267419
1310643538021
146cca800549
153ac0e78416
hex214cacbf95

143020310421 has 8 divisors (see below), whose sum is σ = 200730260320. Its totient is φ = 90328617072.

The previous prime is 143020310357. The next prime is 143020310453. The reversal of 143020310421 is 124013020341.

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

It is not a de Polignac number, because 143020310421 - 26 = 143020310357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143020318421) 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, 1254564070 + ... + 1254564183.

It is an arithmetic number, because the mean of its divisors is an integer number (25091282540).

Almost surely, 2143020310421 is an apocalyptic number.

It is an amenable number.

143020310421 is a deficient number, since it is larger than the sum of its proper divisors (57709949899).

143020310421 is a wasteful number, since it uses less digits than its factorization.

143020310421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509128275.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 143020310421 its reverse (124013020341), we get a palindrome (267033330762).

The spelling of 143020310421 in words is "one hundred forty-three billion, twenty million, three hundred ten thousand, four hundred twenty-one".

Divisors: 1 3 19 57 2509128253 7527384759 47673436807 143020310421