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32130011021 = 1011148927689
BaseRepresentation
bin11101111011000110…
…010000111110001101
310001221012021200012012
4131323012100332031
51011300240323041
622432121351005
72215132405343
oct357306207615
9101835250165
1032130011021
111269860a919
126288338465
13305075cc54
1417ab2a7993
15c80b1d3eb
hex77b190f8d

32130011021 has 8 divisors (see below), whose sum is σ = 32452126200. Its totient is φ = 31807974400.

The previous prime is 32130011003. The next prime is 32130011027. The reversal of 32130011021 is 12011003123.

It can be written as a sum of positive squares in 4 ways, for example, as 2585214025 + 29544796996 = 50845^2 + 171886^2 .

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 32130011021 - 234 = 14950141837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32130010987 and 32130011005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32130011027) 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, 1146545 + ... + 1174233.

It is an arithmetic number, because the mean of its divisors is an integer number (4056515775).

Almost surely, 232130011021 is an apocalyptic number.

It is an amenable number.

32130011021 is a deficient number, since it is larger than the sum of its proper divisors (322115179).

32130011021 is a wasteful number, since it uses less digits than its factorization.

32130011021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39279.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 32130011021 its reverse (12011003123), we get a palindrome (44141014144).

The spelling of 32130011021 in words is "thirty-two billion, one hundred thirty million, eleven thousand, twenty-one".

Divisors: 1 101 11489 27689 1160389 2796589 318118921 32130011021