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68508123 = 328038147
BaseRepresentation
bin1000001010101…
…01100111011011
311202220120110220
410011111213123
5120014224443
610444211123
71461211065
oct405254733
9152816426
1068508123
1135742192
121ab39aa3
1311268768
149154735
156033a83
hex41559db

68508123 has 8 divisors (see below), whose sum is σ = 91387968. Its totient is φ = 45650184.

The previous prime is 68508119. The next prime is 68508131. The reversal of 68508123 is 32180586.

It is a happy number.

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

It is not a de Polignac number, because 68508123 - 22 = 68508119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68508163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4336 + ... + 12482.

It is an arithmetic number, because the mean of its divisors is an integer number (11423496).

Almost surely, 268508123 is an apocalyptic number.

68508123 is a deficient number, since it is larger than the sum of its proper divisors (22879845).

68508123 is a wasteful number, since it uses less digits than its factorization.

68508123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10953.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 68508123 is about 8276.9633924526. The cubic root of 68508123 is about 409.1796466133.

The spelling of 68508123 in words is "sixty-eight million, five hundred eight thousand, one hundred twenty-three".

Divisors: 1 3 2803 8147 8409 24441 22836041 68508123