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123212203042 = 283742242187
BaseRepresentation
bin111001011000000000…
…1010000010000100010
3102210000212111102200111
41302300001100100202
54004314310444132
6132334121041534
711621212305565
oct1626001202042
9383025442614
10123212203042
1148288092885
121ba676262aa
13b807839426
145d6bbca4dc
153311eb4647
hex1cb0050422

123212203042 has 8 divisors (see below), whose sum is σ = 187045031376. Its totient is φ = 60863859252.

The previous prime is 123212203031. The next prime is 123212203057. The reversal of 123212203042 is 240302212321.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371120928 + ... + 371121259.

It is an arithmetic number, because the mean of its divisors is an integer number (23380628922).

Almost surely, 2123212203042 is an apocalyptic number.

123212203042 is a deficient number, since it is larger than the sum of its proper divisors (63832828334).

123212203042 is an equidigital number, since it uses as much as digits as its factorization.

123212203042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742242272.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 123212203042 its reverse (240302212321), we get a palindrome (363514415363).

The spelling of 123212203042 in words is "one hundred twenty-three billion, two hundred twelve million, two hundred three thousand, forty-two".

Divisors: 1 2 83 166 742242187 1484484374 61606101521 123212203042