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123042505006 = 2618269121967
BaseRepresentation
bin111001010010111100…
…1111010000100101110
3102202121001011212202001
41302211321322010232
54003442340130011
6132305215522514
711614052015251
oct1624571720456
9382531155661
10123042505006
1148200317173
121ba1a82943a
13b7ab6316a5
145d53455098
1533021437c1
hex1ca5e7a12e

123042505006 has 16 divisors (see below), whose sum is σ = 187613616960. Its totient is φ = 60504893280.

The previous prime is 123042504997. The next prime is 123042505007. The reversal of 123042505006 is 600505240321.

123042505006 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123042505007) 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, 947835 + ... + 1069801.

It is an arithmetic number, because the mean of its divisors is an integer number (11725851060).

Almost surely, 2123042505006 is an apocalyptic number.

123042505006 is a deficient number, since it is larger than the sum of its proper divisors (64571111954).

123042505006 is a wasteful number, since it uses less digits than its factorization.

123042505006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130299.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 123042505006 its reverse (600505240321), we get a palindrome (723547745327).

The spelling of 123042505006 in words is "one hundred twenty-three billion, forty-two million, five hundred five thousand, six".

Divisors: 1 2 61 122 8269 16538 121967 243934 504409 1008818 7439987 14879974 1008545123 2017090246 61521252503 123042505006