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32130242421 = 333593188473
BaseRepresentation
bin11101111011000111…
…001001011101110101
310001221012201102121120
4131323013021131311
51011300320224141
622432130334153
72215134361104
oct357307113565
9101835642546
1032130242421
1112698758762
12628842a359
133050811384
1417ab32803b
15c80b66c66
hex77b1c9775

32130242421 has 8 divisors (see below), whose sum is σ = 42853090560. Its totient is φ = 21413777952.

The previous prime is 32130242407. The next prime is 32130242519. The reversal of 32130242421 is 12424203123.

It is a happy number.

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

It is not a de Polignac number, because 32130242421 - 210 = 32130241397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32130242391 and 32130242400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130242021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1584160 + ... + 1604313.

It is an arithmetic number, because the mean of its divisors is an integer number (5356636320).

Almost surely, 232130242421 is an apocalyptic number.

It is an amenable number.

32130242421 is a deficient number, since it is larger than the sum of its proper divisors (10722848139).

32130242421 is a wasteful number, since it uses less digits than its factorization.

32130242421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191835.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 32130242421 its reverse (12424203123), we get a palindrome (44554445544).

The spelling of 32130242421 in words is "thirty-two billion, one hundred thirty million, two hundred forty-two thousand, four hundred twenty-one".

Divisors: 1 3 3359 10077 3188473 9565419 10710080807 32130242421