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102311212000 = 255325577803
BaseRepresentation
bin101111101001000111…
…0010011001111100000
3100210002020121002002011
41133102032103033200
53134013132241000
6115000124202304
710251236644624
oct1372216231740
9323066532064
10102311212000
113a432014968
12179b3999394
1398565abcca
144d47dab184
1529dc0c32ba
hex17d23933e0

102311212000 has 48 divisors (see below), whose sum is σ = 251378657712. Its totient is φ = 40924483200.

The previous prime is 102311211971. The next prime is 102311212021. The reversal of 102311212000 is 212113201.

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 7 ways as a sum of consecutive naturals, for example, 12784902 + ... + 12792901.

It is an arithmetic number, because the mean of its divisors is an integer number (5237055369).

Almost surely, 2102311212000 is an apocalyptic number.

102311212000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102311212000 is an abundant number, since it is smaller than the sum of its proper divisors (149067445712).

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

102311212000 is an equidigital number, since it uses as much as digits as its factorization.

102311212000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25577828 (or 25577810 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102311212000 its reverse (212113201), we get a palindrome (102523325201).

The spelling of 102311212000 in words is "one hundred two billion, three hundred eleven 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 25577803 51155606 102311212 127889015 204622424 255778030 409244848 511556060 639445075 818489696 1023112120 1278890150 2046224240 2557780300 3197225375 4092448480 5115560600 6394450750 10231121200 12788901500 20462242400 25577803000 51155606000 102311212000