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12423210302 = 254709113539
BaseRepresentation
bin10111001000111101…
…10010010100111110
31012001210110110202002
423210132302110332
5200420320212202
65412424302302
7616600355006
oct134436622476
935053413662
1012423210302
1152a563a858
1224a8611992
13122ca41819
1485bd05006
154ca9bb302
hex2e47b253e

12423210302 has 8 divisors (see below), whose sum is σ = 18635320200. Its totient is φ = 6211436904.

The previous prime is 12423210277. The next prime is 12423210323. The reversal of 12423210302 is 20301232421.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52649 + ... + 166187.

It is an arithmetic number, because the mean of its divisors is an integer number (2329415025).

Almost surely, 212423210302 is an apocalyptic number.

12423210302 is a deficient number, since it is larger than the sum of its proper divisors (6212109898).

12423210302 is a wasteful number, since it uses less digits than its factorization.

12423210302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168250.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 12423210302 its reverse (20301232421), we get a palindrome (32724442723).

The spelling of 12423210302 in words is "twelve billion, four hundred twenty-three million, two hundred ten thousand, three hundred two".

Divisors: 1 2 54709 109418 113539 227078 6211605151 12423210302