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32444012121 = 333751196269
BaseRepresentation
bin11110001101110100…
…000101011001011001
310002202002010120201120
4132031310011121121
51012421131341441
622523215435453
72225664360423
oct361564053131
9102662116646
1032444012121
1112839887564
126355525b89
1330a0820811
1417dac83813
15c9d495966
hex78dd05659

32444012121 has 16 divisors (see below), whose sum is σ = 43402444800. Its totient is φ = 21557507328.

The previous prime is 32444012059. The next prime is 32444012197. The reversal of 32444012121 is 12121044423.

It is not a de Polignac number, because 32444012121 - 215 = 32443979353 is a prime.

It is a super-2 number, since 2×324440121212 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32444012091 and 32444012100.

It is not an unprimeable number, because it can be changed into a prime (32444012921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5172175 + ... + 5178443.

It is an arithmetic number, because the mean of its divisors is an integer number (2712652800).

Almost surely, 232444012121 is an apocalyptic number.

It is an amenable number.

32444012121 is a deficient number, since it is larger than the sum of its proper divisors (10958432679).

32444012121 is a wasteful number, since it uses less digits than its factorization.

32444012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11728.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 32444012121 its reverse (12121044423), we get a palindrome (44565056544).

The spelling of 32444012121 in words is "thirty-two billion, four hundred forty-four million, twelve thousand, one hundred twenty-one".

Divisors: 1 3 337 1011 5119 6269 15357 18807 1725103 2112653 5175309 6337959 32091011 96273033 10814670707 32444012121