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32400455131 = 1114919768429
BaseRepresentation
bin11110001011001101…
…111011010111011011
310002122001011122202201
4132023031323113123
51012324004031011
622515022111031
72224625216212
oct361315732733
9102561148681
1032400455131
1112817237550
126342a1b477
1330947acc55
1417d5186079
15c9973ecc1
hex78b37b5db

32400455131 has 8 divisors (see below), whose sum is σ = 35583174000. Its totient is φ = 29257273440.

The previous prime is 32400455099. The next prime is 32400455177. The reversal of 32400455131 is 13155400423.

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

It is a cyclic number.

It is not a de Polignac number, because 32400455131 - 25 = 32400455099 is a prime.

It is a super-2 number, since 2×324004551312 (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32400455131.

It is not an unprimeable number, because it can be changed into a prime (32400455531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9882576 + ... + 9885853.

It is an arithmetic number, because the mean of its divisors is an integer number (4447896750).

Almost surely, 232400455131 is an apocalyptic number.

32400455131 is a deficient number, since it is larger than the sum of its proper divisors (3182718869).

32400455131 is a wasteful number, since it uses less digits than its factorization.

32400455131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19768589.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 32400455131 its reverse (13155400423), we get a palindrome (45555855554).

The spelling of 32400455131 in words is "thirty-two billion, four hundred million, four hundred fifty-five thousand, one hundred thirty-one".

Divisors: 1 11 149 1639 19768429 217452719 2945495921 32400455131