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434421120202143 = 3778918591223529
BaseRepresentation
bin110001011000110101000110…
…0100011010111010110011111
32002222011020211210121101020220
41202301222030203113112133
5423420023423232432033
64135534150231412423
7160334614223106234
oct14261521443272637
92088136753541226
10434421120202143
11116468a65023128
1240881882224113
13158529748a3799
14793c14709978b
153535454a4dbb3
hex18b1a8c8d759f

434421120202143 has 8 divisors (see below), whose sum is σ = 579302525194800. Its totient is φ = 289576897672128.

The previous prime is 434421120202109. The next prime is 434421120202163. The reversal of 434421120202143 is 341202021124434.

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

It is a de Polignac number, because none of the positive numbers 2k-434421120202143 is a prime.

It is a super-2 number, since 2×4344211202021432 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434421120202163) 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, 9295588398 + ... + 9295635131.

It is an arithmetic number, because the mean of its divisors is an integer number (72412815649350).

Almost surely, 2434421120202143 is an apocalyptic number.

434421120202143 is a deficient number, since it is larger than the sum of its proper divisors (144881404992657).

434421120202143 is a wasteful number, since it uses less digits than its factorization.

434421120202143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18591231321.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 434421120202143 its reverse (341202021124434), we get a palindrome (775623141326577).

The spelling of 434421120202143 in words is "four hundred thirty-four trillion, four hundred twenty-one billion, one hundred twenty million, two hundred two thousand, one hundred forty-three".

Divisors: 1 3 7789 23367 18591223529 55773670587 144807040067381 434421120202143