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32121322130 = 253212132213
BaseRepresentation
bin11101111010100101…
…000111101010010010
310001220120221020021102
4131322211013222102
51011241024302010
622431211224402
72214665506322
oct357245075222
9101816836242
1032121322130
1112693715817
126285448102
13304ba0a0b1
1417aa085282
15c7eea3ba5
hex77a947a92

32121322130 has 8 divisors (see below), whose sum is σ = 57818379852. Its totient is φ = 12848528848.

The previous prime is 32121322127. The next prime is 32121322139. The reversal of 32121322130 is 3122312123.

It can be written as a sum of positive squares in 2 ways, for example, as 31793386249 + 327935881 = 178307^2 + 18109^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32121322139) 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 3 ways as a sum of consecutive naturals, for example, 1606066097 + ... + 1606066116.

Almost surely, 232121322130 is an apocalyptic number.

32121322130 is a deficient number, since it is larger than the sum of its proper divisors (25697057722).

32121322130 is a wasteful number, since it uses less digits than its factorization.

32121322130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212132220.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 32121322130 its reverse (3122312123), we get a palindrome (35243634253).

It can be divided in two parts, 321213 and 22130, that added together give a palindrome (343343).

The spelling of 32121322130 in words is "thirty-two billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred thirty".

Divisors: 1 2 5 10 3212132213 6424264426 16060661065 32121322130