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BaseRepresentation
bin1100111111100…
…11110011100001
321121002212120101
412133303303201
5210401030303
614452142401
72462333644
oct637636341
9247085511
10109001953
115658a865
1230607a01
1319775cc8
1410695a5b
159881d1d
hex67f3ce1

109001953 has 2 divisors, whose sum is σ = 109001954. Its totient is φ = 109001952.

The previous prime is 109001951. The next prime is 109001957. The reversal of 109001953 is 359100901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88679889 + 20322064 = 9417^2 + 4508^2 .

It is a cyclic number.

It is not a de Polignac number, because 109001953 - 21 = 109001951 is a prime.

Together with 109001951, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (109001951) 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 as a sum of consecutive naturals, namely, 54500976 + 54500977.

It is an arithmetic number, because the mean of its divisors is an integer number (54500977).

Almost surely, 2109001953 is an apocalyptic number.

It is an amenable number.

109001953 is a deficient number, since it is larger than the sum of its proper divisors (1).

109001953 is an equidigital number, since it uses as much as digits as its factorization.

109001953 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 109001953 is about 10440.4000402283. The cubic root of 109001953 is about 477.6884710529.

The spelling of 109001953 in words is "one hundred nine million, one thousand, nine hundred fifty-three".