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123133213000 = 2353717590459
BaseRepresentation
bin111001010101101001…
…1111011100101001000
3102202211100212022201101
41302223103323211020
54004134100304000
6132322220031144
711616233020120
oct1625323734510
9382740768641
10123133213000
1148247541456
121ba450924b4
13b7c4370965
145d61507c80
15330a0aee6a
hex1cab4fb948

123133213000 has 64 divisors (see below), whose sum is σ = 329293411200. Its totient is φ = 42217099200.

The previous prime is 123133212991. The next prime is 123133213001. The reversal of 123133213000 is 312331321.

It is not an unprimeable number, because it can be changed into a prime (123133213001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8788230 + ... + 8802229.

It is an arithmetic number, because the mean of its divisors is an integer number (5145209550).

Almost surely, 2123133213000 is an apocalyptic number.

123133213000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123133213000 is an abundant number, since it is smaller than the sum of its proper divisors (206160198200).

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

123133213000 is a wasteful number, since it uses less digits than its factorization.

123133213000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17590487 (or 17590473 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 123133213000 its reverse (312331321), we get a palindrome (123445544321).

The spelling of 123133213000 in words is "one hundred twenty-three billion, one hundred thirty-three million, two hundred thirteen thousand".

Divisors: 1 2 4 5 7 8 10 14 20 25 28 35 40 50 56 70 100 125 140 175 200 250 280 350 500 700 875 1000 1400 1750 3500 7000 17590459 35180918 70361836 87952295 123133213 140723672 175904590 246266426 351809180 439761475 492532852 615666065 703618360 879522950 985065704 1231332130 1759045900 2198807375 2462664260 3078330325 3518091800 4397614750 4925328520 6156660650 8795229500 12313321300 15391651625 17590459000 24626642600 30783303250 61566606500 123133213000