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121613097 = 3107439863
BaseRepresentation
bin1110011111110…
…10101100101001
322110211120210210
413033322230221
5222113104342
620022331333
73004460064
oct717725451
9273746723
10121613097
11627137a1
1234889b49
131c270218
14122198db
15aa2379c
hex73fab29

121613097 has 16 divisors (see below), whose sum is σ = 164229120. Its totient is φ = 80041872.

The previous prime is 121613069. The next prime is 121613099. The reversal of 121613097 is 790316121.

It is not a de Polignac number, because 121613097 - 216 = 121547561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121613099) 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, 140488 + ... + 141350.

It is an arithmetic number, because the mean of its divisors is an integer number (10264320).

Almost surely, 2121613097 is an apocalyptic number.

It is an amenable number.

121613097 is a deficient number, since it is larger than the sum of its proper divisors (42616023).

121613097 is a wasteful number, since it uses less digits than its factorization.

121613097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 121613097 is about 11027.8328333358. The cubic root of 121613097 is about 495.4427178921.

The spelling of 121613097 in words is "one hundred twenty-one million, six hundred thirteen thousand, ninety-seven".

Divisors: 1 3 107 321 439 863 1317 2589 46973 92341 140919 277023 378857 1136571 40537699 121613097