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1020303312200 = 235279103626953
BaseRepresentation
bin11101101100011101101…
…00010000010101001000
310121112120200200112211222
432312032310100111020
5113204040121442300
62100415412541212
7133500032026034
oct16661664202510
93545520615758
101020303312200
11363787690957
121458a9621808
13752a2760a43
1437550b251c4
151b818e47785
hexed8ed10548

1020303312200 has 96 divisors (see below), whose sum is σ = 2425559635200. Its totient is φ = 399042408960.

The previous prime is 1020303312169. The next prime is 1020303312241. The reversal of 1020303312200 is 22133030201.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1313924 + ... + 1940876.

It is an arithmetic number, because the mean of its divisors is an integer number (25266246200).

Almost surely, 21020303312200 is an apocalyptic number.

1020303312200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020303312200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212779817600).

1020303312200 is an abundant number, since it is smaller than the sum of its proper divisors (1405256323000).

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

1020303312200 is a wasteful number, since it uses less digits than its factorization.

1020303312200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627151 (or 627142 counting only the distinct ones).

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

Adding to 1020303312200 its reverse (22133030201), we get a palindrome (1042436342401).

The spelling of 1020303312200 in words is "one trillion, twenty billion, three hundred three million, three hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 79 100 103 158 200 206 316 395 412 515 632 790 824 1030 1580 1975 2060 2575 3160 3950 4120 5150 7900 8137 10300 15800 16274 20600 32548 40685 65096 81370 162740 203425 325480 406850 626953 813700 1253906 1627400 2507812 3134765 5015624 6269530 12539060 15673825 25078120 31347650 49529287 62695300 64576159 99058574 125390600 129152318 198117148 247646435 258304636 322880795 396234296 495292870 516609272 645761590 990585740 1238232175 1291523180 1614403975 1981171480 2476464350 2583046360 3228807950 4952928700 5101516561 6457615900 9905857400 10203033122 12915231800 20406066244 25507582805 40812132488 51015165610 102030331220 127537914025 204060662440 255075828050 510151656100 1020303312200