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123030011 = 1312777411
BaseRepresentation
bin1110101010101…
…00100111111011
322120111120110002
413111110213323
5222443430021
620112543215
73022511036
oct725244773
9276446402
10123030011
11634a12a5
1235251b0b
131c648130
14124a801d
15ac0350b
hex75549fb

123030011 has 8 divisors (see below), whose sum is σ = 132615504. Its totient is φ = 113461920.

The previous prime is 123029999. The next prime is 123030029. The reversal of 123030011 is 110030321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 123030011 - 218 = 122767867 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 123029974 and 123030001.

It is not an unprimeable number, because it can be changed into a prime (123039011) 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, 12896 + ... + 20306.

It is an arithmetic number, because the mean of its divisors is an integer number (16576938).

Almost surely, 2123030011 is an apocalyptic number.

123030011 is a deficient number, since it is larger than the sum of its proper divisors (9585493).

123030011 is a wasteful number, since it uses less digits than its factorization.

123030011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8701.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 123030011 is about 11091.8894242595. The cubic root of 123030011 is about 497.3594273006.

Adding to 123030011 its reverse (110030321), we get a palindrome (233060332).

The spelling of 123030011 in words is "one hundred twenty-three million, thirty thousand, eleven".

Divisors: 1 13 1277 7411 16601 96343 9463847 123030011