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2123312300000 = 255521233123
BaseRepresentation
bin11110111001011111010…
…001100111111111100000
321111222122021200201212022
4132321133101213333200
5234242020422100000
64303234115321012
7306255441521543
oct36713721477740
97458567621768
102123312300000
11749545490a21
122a3618bb0168
131252c5a49468
1474aa9a9485a
153a373b65585
hex1ee5f467fe0

2123312300000 has 72 divisors (see below), whose sum is σ = 5225004687672. Its totient is φ = 849324880000.

The previous prime is 2123312299973. The next prime is 2123312300033. The reversal of 2123312300000 is 32133212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10516562 + ... + 10716561.

It is an arithmetic number, because the mean of its divisors is an integer number (72569509551).

Almost surely, 22123312300000 is an apocalyptic number.

2123312300000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2123312300000 is an abundant number, since it is smaller than the sum of its proper divisors (3101692387672).

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

2123312300000 is an frugal number, since it uses more digits than its factorization.

2123312300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21233158 (or 21233130 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 2123312300000 its reverse (32133212), we get a palindrome (2123344433212).

The spelling of 2123312300000 in words is "two trillion, one hundred twenty-three billion, three hundred twelve million, three hundred thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 625 800 1000 1250 2000 2500 3125 4000 5000 6250 10000 12500 20000 25000 50000 100000 21233123 42466246 84932492 106165615 169864984 212331230 339729968 424662460 530828075 679459936 849324920 1061656150 1698649840 2123312300 2654140375 3397299680 4246624600 5308280750 8493249200 10616561500 13270701875 16986498400 21233123000 26541403750 42466246000 53082807500 66353509375 84932492000 106165615000 132707018750 212331230000 265414037500 424662460000 530828075000 1061656150000 2123312300000