Search a number
-
+
32130012121 = 1717827106019
BaseRepresentation
bin11101111011000110…
…010001001111011001
310001221012021201200221
4131323012101033121
51011300240341441
622432121400041
72215132411504
oct357306211731
9101835251627
1032130012121
1112698610729
126288339021
1330507605bc
1417ab2a813b
15c80b1d8d1
hex77b1913d9

32130012121 has 8 divisors (see below), whose sum is σ = 34022242080. Its totient is φ = 30238029888.

The previous prime is 32130012107. The next prime is 32130012151. The reversal of 32130012121 is 12121003123.

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

It is a cyclic number.

It is not a de Polignac number, because 32130012121 - 29 = 32130011609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32130012095 and 32130012104.

It is not an unprimeable number, because it can be changed into a prime (32130012151) 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, 250050 + ... + 356068.

It is an arithmetic number, because the mean of its divisors is an integer number (4252780260).

Almost surely, 232130012121 is an apocalyptic number.

It is an amenable number.

32130012121 is a deficient number, since it is larger than the sum of its proper divisors (1892229959).

32130012121 is a wasteful number, since it uses less digits than its factorization.

32130012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123863.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 32130012121 its reverse (12121003123), we get a palindrome (44251015244).

The spelling of 32130012121 in words is "thirty-two billion, one hundred thirty million, twelve thousand, one hundred twenty-one".

Divisors: 1 17 17827 106019 303059 1802323 1890000713 32130012121