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123210133000 = 2353123210133
BaseRepresentation
bin111001010111111100…
…1010110111000001000
3102210000201121021010021
41302233321112320020
54004313243224000
6132334004430224
711621155564513
oct1625771267010
9383021537107
10123210133000
11482869a95a9
121ba669a8374
13b807293156
145d6b80bd7a
153311c0611a
hex1cafe56e08

123210133000 has 32 divisors (see below), whose sum is σ = 288311713560. Its totient is φ = 49284052800.

The previous prime is 123210132953. The next prime is 123210133031. The reversal of 123210133000 is 331012321.

It can be written as a sum of positive squares in 4 ways, for example, as 60516984004 + 62693148996 = 246002^2 + 250386^2 .

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, 61604067 + ... + 61606066.

Almost surely, 2123210133000 is an apocalyptic number.

123210133000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123210133000 is an abundant number, since it is smaller than the sum of its proper divisors (165101580560).

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

123210133000 is a wasteful number, since it uses less digits than its factorization.

123210133000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123210154 (or 123210140 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 123210133000 its reverse (331012321), we get a palindrome (123541145321).

The spelling of 123210133000 in words is "one hundred twenty-three billion, two hundred ten million, one hundred thirty-three thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 125 200 250 500 1000 123210133 246420266 492840532 616050665 985681064 1232101330 2464202660 3080253325 4928405320 6160506650 12321013300 15401266625 24642026600 30802533250 61605066500 123210133000