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20310313000 = 235367303139
BaseRepresentation
bin10010111010100101…
…101100100000101000
31221102110102210122211
4102322211230200220
5313043420004000
613155212254504
71316210545345
oct227245544050
957373383584
1020310313000
11868270784a
123b29a71434
131bb8a768b3
14da95c17cc
157dd1157ba
hex4ba96c828

20310313000 has 64 divisors (see below), whose sum is σ = 48235636800. Its totient is φ = 8002843200.

The previous prime is 20310312991. The next prime is 20310313031. The reversal of 20310313000 is 31301302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84570 + ... + 218569.

It is an arithmetic number, because the mean of its divisors is an integer number (753681825).

Almost surely, 220310313000 is an apocalyptic number.

20310313000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20310313000 is an abundant number, since it is smaller than the sum of its proper divisors (27925323800).

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

20310313000 is a wasteful number, since it uses less digits than its factorization.

20310313000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303227 (or 303213 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 20310313000 its reverse (31301302), we get a palindrome (20341614302).

The spelling of 20310313000 in words is "twenty billion, three hundred ten million, three hundred thirteen thousand".

Divisors: 1 2 4 5 8 10 20 25 40 50 67 100 125 134 200 250 268 335 500 536 670 1000 1340 1675 2680 3350 6700 8375 13400 16750 33500 67000 303139 606278 1212556 1515695 2425112 3031390 6062780 7578475 12125560 15156950 20310313 30313900 37892375 40620626 60627800 75784750 81241252 101551565 151569500 162482504 203103130 303139000 406206260 507757825 812412520 1015515650 2031031300 2538789125 4062062600 5077578250 10155156500 20310313000