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104311132221 = 3611619352073
BaseRepresentation
bin110000100100101101…
…1011001000000111101
3100222020121210112212110
41201021123121000331
53202112122212341
6115530405324233
710351632665052
oct1411133310075
9328217715773
10104311132221
1140268a0759a
1218271706679
139ab4a28c5a
145097845029
152aa796c216
hex18496d903d

104311132221 has 16 divisors (see below), whose sum is σ = 141449250240. Its totient is φ = 68358299520.

The previous prime is 104311132171. The next prime is 104311132231. The reversal of 104311132221 is 122231113401.

It is not a de Polignac number, because 104311132221 - 218 = 104310870077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104311132231) 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 15 ways as a sum of consecutive naturals, for example, 120241 + ... + 472313.

It is an arithmetic number, because the mean of its divisors is an integer number (8840578140).

Almost surely, 2104311132221 is an apocalyptic number.

It is an amenable number.

104311132221 is a deficient number, since it is larger than the sum of its proper divisors (37138118019).

104311132221 is a wasteful number, since it uses less digits than its factorization.

104311132221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353756.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 104311132221 its reverse (122231113401), we get a palindrome (226542245622).

The spelling of 104311132221 in words is "one hundred four billion, three hundred eleven million, one hundred thirty-two thousand, two hundred twenty-one".

Divisors: 1 3 61 183 1619 4857 98759 296277 352073 1056219 21476453 64429359 570006187 1710018561 34770377407 104311132221