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431012685101 = 2618316461547
BaseRepresentation
bin1100100010110100101…
…10111010010100101101
31112012112000102000011112
412101122112322110231
524030203221410401
6530000545401405
743065616242365
oct6213226722455
91465460360145
10431012685101
11156878473769
126b649339265
133184b76239b
1416c0acdb9a5
15b3293ac3bb
hex645a5ba52d

431012685101 has 4 divisors (see below), whose sum is σ = 431029172832. Its totient is φ = 430996197372.

The previous prime is 431012685079. The next prime is 431012685109. The reversal of 431012685101 is 101586210134.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 431012685101 - 214 = 431012668717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431012685109) 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, 8204591 + ... + 8256956.

It is an arithmetic number, because the mean of its divisors is an integer number (107757293208).

Almost surely, 2431012685101 is an apocalyptic number.

It is an amenable number.

431012685101 is a deficient number, since it is larger than the sum of its proper divisors (16487731).

431012685101 is a wasteful number, since it uses less digits than its factorization.

431012685101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16487730.

The product of its (nonzero) digits is 5760, while the sum is 32.

Adding to 431012685101 its reverse (101586210134), we get a palindrome (532598895235).

The spelling of 431012685101 in words is "four hundred thirty-one billion, twelve million, six hundred eighty-five thousand, one hundred one".

Divisors: 1 26183 16461547 431012685101