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32134404421 = 731296949877
BaseRepresentation
bin11101111011010111…
…000001100101000101
310001221111112212210201
4131323113001211011
51011302401420141
622432355450501
72215214634160
oct357327014505
9101844485721
1032134404421
11126a0040729
1262898b6a31
13305163a8b2
1417abaccad7
15c811da031
hex77b5c1945

32134404421 has 16 divisors (see below), whose sum is σ = 37923240960. Its totient is φ = 26645754240.

The previous prime is 32134404413. The next prime is 32134404439. The reversal of 32134404421 is 12440443123.

It is not a de Polignac number, because 32134404421 - 23 = 32134404413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32134404421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32134404481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619335 + ... + 669211.

It is an arithmetic number, because the mean of its divisors is an integer number (2370202560).

Almost surely, 232134404421 is an apocalyptic number.

32134404421 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

32134404421 is a deficient number, since it is larger than the sum of its proper divisors (5788836539).

32134404421 is a wasteful number, since it uses less digits than its factorization.

32134404421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52884.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 32134404421 its reverse (12440443123), we get a palindrome (44574847544).

The spelling of 32134404421 in words is "thirty-two billion, one hundred thirty-four million, four hundred four thousand, four hundred twenty-one".

Divisors: 1 7 31 217 2969 20783 49877 92039 349139 644273 1546187 10823309 148084813 1036593691 4590629203 32134404421