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32431214140 = 22513124735439
BaseRepresentation
bin11110001101000011…
…010000111000111100
310002201012001101012021
4132031003100320330
51012404342323030
622522041245524
72225450525503
oct361503207074
9102635041167
1032431214140
1112832636216
1263511938a4
13309ac8c550
1417d92b183a
15c9c2b897a
hex78d0d0e3c

32431214140 has 24 divisors (see below), whose sum is σ = 73344438720. Its totient is φ = 11974602048.

The previous prime is 32431214119. The next prime is 32431214149. The reversal of 32431214140 is 4141213423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32431214149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62367460 + ... + 62367979.

It is an arithmetic number, because the mean of its divisors is an integer number (3056018280).

Almost surely, 232431214140 is an apocalyptic number.

It is an amenable number.

32431214140 is an abundant number, since it is smaller than the sum of its proper divisors (40913224580).

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

32431214140 is a wasteful number, since it uses less digits than its factorization.

32431214140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124735461 (or 124735459 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 32431214140 its reverse (4141213423), we get a palindrome (36572427563).

The spelling of 32431214140 in words is "thirty-two billion, four hundred thirty-one million, two hundred fourteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 124735439 249470878 498941756 623677195 1247354390 1621560707 2494708780 3243121414 6486242828 8107803535 16215607070 32431214140