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123213120014 = 261606560007
BaseRepresentation
bin111001011000000010…
…0110000001000001110
3102210000221020000112102
41302300010300020032
54004320024320024
6132334152435102
711621223145145
oct1626004601016
9383027200472
10123213120014
1148288659806
121ba679a8a92
13b807a9a90a
145d6bd8875c
1533120e61ae
hex1cb013020e

123213120014 has 4 divisors (see below), whose sum is σ = 184819680024. Its totient is φ = 61606560006.

The previous prime is 123213119999. The next prime is 123213120029. The reversal of 123213120014 is 410021312321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 410021312321 = 2555111604711.

It is an interprime number because it is at equal distance from previous prime (123213119999) and next prime (123213120029).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30803280002 + ... + 30803280005.

It is an arithmetic number, because the mean of its divisors is an integer number (46204920006).

Almost surely, 2123213120014 is an apocalyptic number.

123213120014 is a deficient number, since it is larger than the sum of its proper divisors (61606560010).

123213120014 is an equidigital number, since it uses as much as digits as its factorization.

123213120014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61606560009.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 123213120014 its reverse (410021312321), we get a palindrome (533234432335).

The spelling of 123213120014 in words is "one hundred twenty-three billion, two hundred thirteen million, one hundred twenty thousand, fourteen".

Divisors: 1 2 61606560007 123213120014