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32121121112 = 234015140139
BaseRepresentation
bin11101111010100100…
…010110100101011000
310001220120120000112022
4131322210112211120
51011241001333422
622431203034012
72214664011263
oct357244264530
9101816500468
1032121121112
1112693598793
12628536b908
13304b969752
1417aa031cda
15c7ee64342
hex77a916958

32121121112 has 8 divisors (see below), whose sum is σ = 60227102100. Its totient is φ = 16060560552.

The previous prime is 32121121111. The next prime is 32121121127. The reversal of 32121121112 is 21112112123.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121121111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2007570062 + ... + 2007570077.

Almost surely, 232121121112 is an apocalyptic number.

It is an amenable number.

32121121112 is a deficient number, since it is larger than the sum of its proper divisors (28105980988).

32121121112 is a wasteful number, since it uses less digits than its factorization.

32121121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015140145 (or 4015140141 counting only the distinct ones).

The product of its digits is 48, while the sum is 17.

Adding to 32121121112 its reverse (21112112123), we get a palindrome (53233233235).

The spelling of 32121121112 in words is "thirty-two billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 4015140139 8030280278 16060560556 32121121112