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32013124111 = 191684901269
BaseRepresentation
bin11101110100001000…
…011000001000001111
310001122001100012111101
4131310020120020033
51011030324432421
622412344203531
72212213031233
oct356410301017
9101561305441
1032013124111
1112638634a71
1262551695a7
133032485cb7
14179995c5c3
15c75730191
hex77421820f

32013124111 has 4 divisors (see below), whose sum is σ = 33698025400. Its totient is φ = 30328222824.

The previous prime is 32013124081. The next prime is 32013124159. The reversal of 32013124111 is 11142131023.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11142131023 = 78291423187.

It is a cyclic number.

It is not a de Polignac number, because 32013124111 - 221 = 32011026959 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 1684901269 = 32013124111 / (3 + 2 + 0 + 1 + 3 + 1 + 2 + 4 + 1 + 1 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32013124181) 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, 842450616 + ... + 842450653.

It is an arithmetic number, because the mean of its divisors is an integer number (8424506350).

Almost surely, 232013124111 is an apocalyptic number.

32013124111 is a deficient number, since it is larger than the sum of its proper divisors (1684901289).

32013124111 is a wasteful number, since it uses less digits than its factorization.

32013124111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1684901288.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 32013124111 its reverse (11142131023), we get a palindrome (43155255134).

The spelling of 32013124111 in words is "thirty-two billion, thirteen million, one hundred twenty-four thousand, one hundred eleven".

Divisors: 1 19 1684901269 32013124111