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12326672920 = 2351991548577
BaseRepresentation
bin10110111101011101…
…00001101000011000
31011211001210212100111
423132232201220120
5200221112013140
65355055214104
7614315663632
oct133656415030
934731725314
1012326672920
1152560a38a1
122480217334
131215a41103
1484d175a52
154c229c7ea
hex2deba1a18

12326672920 has 32 divisors (see below), whose sum is σ = 27874404000. Its totient is φ = 4905888768.

The previous prime is 12326672899. The next prime is 12326672933. The reversal of 12326672920 is 2927662321.

12326672920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×123266729202 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

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, 766329 + ... + 782248.

It is an arithmetic number, because the mean of its divisors is an integer number (871075125).

Almost surely, 212326672920 is an apocalyptic number.

12326672920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12326672920 is an abundant number, since it is smaller than the sum of its proper divisors (15547731080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12326672920 is a wasteful number, since it uses less digits than its factorization.

12326672920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1548787 (or 1548783 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 12326672920 in words is "twelve billion, three hundred twenty-six million, six hundred seventy-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 199 398 796 995 1592 1990 3980 7960 1548577 3097154 6194308 7742885 12388616 15485770 30971540 61943080 308166823 616333646 1232667292 1540834115 2465334584 3081668230 6163336460 12326672920