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21235104746058 = 237505597732049
BaseRepresentation
bin1001101010000001011101…
…11000000000101001001010
32210012001111221221111011010
410311000232320000221022
510240403443303333213
6113055134503144350
74321120456111230
oct465005670005112
983161457844133
1021235104746058
116847837038455
12246b6097450b6
13bb0600708218
14535adab5a950
1526c5918e2ac3
hex13502ee00a4a

21235104746058 has 16 divisors (see below), whose sum is σ = 48537382276800. Its totient is φ = 6067172784576.

The previous prime is 21235104746057. The next prime is 21235104746099. The reversal of 21235104746058 is 85064740153212.

It is a junction number, because it is equal to n+sod(n) for n = 21235104745998 and 21235104746016.

It is not an unprimeable number, because it can be changed into a prime (21235104746057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252798865983 + ... + 252798866066.

It is an arithmetic number, because the mean of its divisors is an integer number (3033586392300).

Almost surely, 221235104746058 is an apocalyptic number.

21235104746058 is an abundant number, since it is smaller than the sum of its proper divisors (27302277530742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21235104746058 is a wasteful number, since it uses less digits than its factorization.

21235104746058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505597732061.

The product of its (nonzero) digits is 1612800, while the sum is 48.

The spelling of 21235104746058 in words is "twenty-one trillion, two hundred thirty-five billion, one hundred four million, seven hundred forty-six thousand, fifty-eight".

Divisors: 1 2 3 6 7 14 21 42 505597732049 1011195464098 1516793196147 3033586392294 3539184124343 7078368248686 10617552373029 21235104746058