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13023212000 = 25533255803
BaseRepresentation
bin11000010000011111…
…00111000111100000
31020121121110201100012
430020033213013200
5203132420241000
65552140344052
7640504322051
oct141017470740
936547421305
1013023212000
115583299a27
122635545028
1312c713b106
148b788c728
155134d9735
hex3083e71e0

13023212000 has 48 divisors (see below), whose sum is σ = 31998041712. Its totient is φ = 5209283200.

The previous prime is 13023211973. The next prime is 13023212021. The reversal of 13023212000 is 21232031.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1623902 + ... + 1631901.

It is an arithmetic number, because the mean of its divisors is an integer number (666625869).

Almost surely, 213023212000 is an apocalyptic number.

13023212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13023212000 is an abundant number, since it is smaller than the sum of its proper divisors (18974829712).

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

13023212000 is an equidigital number, since it uses as much as digits as its factorization.

13023212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255828 (or 3255810 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 13023212000 its reverse (21232031), we get a palindrome (13044444031).

The spelling of 13023212000 in words is "thirteen billion, twenty-three million, two hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 2000 4000 3255803 6511606 13023212 16279015 26046424 32558030 52092848 65116060 81395075 104185696 130232120 162790150 260464240 325580300 406975375 520928480 651160600 813950750 1302321200 1627901500 2604642400 3255803000 6511606000 13023212000