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32101350021 = 3213274370513
BaseRepresentation
bin11101111001011000…
…111011101010000101
310001212012100112200200
4131321120323222011
51011220421200041
622425215201113
72214333654516
oct357130735205
9101765315620
1032101350021
1112683414444
12627a816199
133047836590
1417a7566a0d
15c7d35b1b6
hex77963ba85

32101350021 has 12 divisors (see below), whose sum is σ = 49935433548. Its totient is φ = 19754676864.

The previous prime is 32101350007. The next prime is 32101350023. The reversal of 32101350021 is 12005310123.

It can be written as a sum of positive squares in 2 ways, for example, as 1856661921 + 30244688100 = 43089^2 + 173910^2 .

It is not a de Polignac number, because 32101350021 - 27 = 32101349893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32101349976 and 32101350003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32101350023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137185140 + ... + 137185373.

It is an arithmetic number, because the mean of its divisors is an integer number (4161286129).

Almost surely, 232101350021 is an apocalyptic number.

It is an amenable number.

32101350021 is a deficient number, since it is larger than the sum of its proper divisors (17834083527).

32101350021 is a wasteful number, since it uses less digits than its factorization.

32101350021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274370532 (or 274370529 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 32101350021 its reverse (12005310123), we get a palindrome (44106660144).

The spelling of 32101350021 in words is "thirty-two billion, one hundred one million, three hundred fifty thousand, twenty-one".

Divisors: 1 3 9 13 39 117 274370513 823111539 2469334617 3566816669 10700450007 32101350021