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4102431401020 = 225205121570051
BaseRepresentation
bin111011101100101011111…
…101110110010000111100
3112112012002111110000100111
4323230223331312100330
51014203234414313040
612420344142235404
7602251034360251
oct73545375662074
915465074400314
104102431401020
1113419166372a7
125630b3b85b64
13239b1c2696b4
141027b7275428
1571aa88bedea
hex3bb2bf7643c

4102431401020 has 12 divisors (see below), whose sum is σ = 8615105942184. Its totient is φ = 1640972560400.

The previous prime is 4102431400979. The next prime is 4102431401023. The reversal of 4102431401020 is 201041342014.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4102431400982 and 4102431401000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102431401023) 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, 102560785006 + ... + 102560785045.

It is an arithmetic number, because the mean of its divisors is an integer number (717925495182).

Almost surely, 24102431401020 is an apocalyptic number.

It is an amenable number.

4102431401020 is an abundant number, since it is smaller than the sum of its proper divisors (4512674541164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4102431401020 is a wasteful number, since it uses less digits than its factorization.

4102431401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205121570060 (or 205121570058 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 4102431401020 its reverse (201041342014), we get a palindrome (4303472743034).

The spelling of 4102431401020 in words is "four trillion, one hundred two billion, four hundred thirty-one million, four hundred one thousand, twenty".

Divisors: 1 2 4 5 10 20 205121570051 410243140102 820486280204 1025607850255 2051215700510 4102431401020