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123493097031 = 3101407567977
BaseRepresentation
bin111001100000011000…
…0110001111001000111
3102210202110001022210120
41303000300301321013
54010403213101111
6132422033353023
711631163001523
oct1630060617107
9383673038716
10123493097031
11484116a7677
121bb25708773
13b850aa79a5
145d97228d83
15332b99c406
hex1cc0c31e47

123493097031 has 8 divisors (see below), whose sum is σ = 166287735024. Its totient is φ = 81513595200.

The previous prime is 123493097029. The next prime is 123493097081. The reversal of 123493097031 is 130790394321.

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

It is not a de Polignac number, because 123493097031 - 21 = 123493097029 is a prime.

It is a super-2 number, since 2×1234930970312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123493097081) 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, 203783686 + ... + 203784291.

It is an arithmetic number, because the mean of its divisors is an integer number (20785966878).

Almost surely, 2123493097031 is an apocalyptic number.

123493097031 is a deficient number, since it is larger than the sum of its proper divisors (42794637993).

123493097031 is a wasteful number, since it uses less digits than its factorization.

123493097031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407568081.

The product of its (nonzero) digits is 122472, while the sum is 42.

The spelling of 123493097031 in words is "one hundred twenty-three billion, four hundred ninety-three million, ninety-seven thousand, thirty-one".

Divisors: 1 3 101 303 407567977 1222703931 41164365677 123493097031