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1320230000 = 245447532
BaseRepresentation
bin100111010110001…
…0001110001110000
310102000020122002102
41032230101301300
510200434330000
6335001035532
744500525025
oct11654216160
93360218072
101320230000
11618265381
1230a185ba8
1318069bcab
14c74a954c
157ad893d5
hex4eb11c70

1320230000 has 150 divisors (see below), whose sum is σ = 3327172464. Its totient is φ = 507104000.

The previous prime is 1320229997. The next prime is 1320230003. The reversal of 1320230000 is 320231.

It is an interprime number because it is at equal distance from previous prime (1320229997) and next prime (1320230003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320230003) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 24909974 + ... + 24910026.

Almost surely, 21320230000 is an apocalyptic number.

1320230000 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 1320230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1663586232).

1320230000 is an abundant number, since it is smaller than the sum of its proper divisors (2006942464).

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

1320230000 is an frugal number, since it uses more digits than its factorization.

1320230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 1320230000 is about 36334.9693821255. The cubic root of 1320230000 is about 1097.0250191858.

Adding to 1320230000 its reverse (320231), we get a palindrome (1320550231).

The spelling of 1320230000 in words is "one billion, three hundred twenty million, two hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 47 50 53 80 94 100 106 125 188 200 212 235 250 265 376 400 424 470 500 530 625 752 848 940 1000 1060 1175 1250 1325 1880 2000 2120 2350 2491 2500 2650 2809 3760 4240 4700 4982 5000 5300 5618 5875 6625 9400 9964 10000 10600 11236 11750 12455 13250 14045 18800 19928 21200 22472 23500 24910 26500 28090 29375 33125 39856 44944 47000 49820 53000 56180 58750 62275 66250 70225 94000 99640 106000 112360 117500 124550 132023 132500 140450 199280 224720 235000 249100 264046 265000 280900 311375 351125 470000 498200 528092 530000 561800 622750 660115 702250 996400 1056184 1123600 1245500 1320230 1404500 1556875 1755625 2112368 2491000 2640460 2809000 3113750 3300575 3511250 4982000 5280920 5618000 6227500 6601150 7022500 10561840 12455000 13202300 14045000 16502875 24910000 26404600 28090000 33005750 52809200 66011500 82514375 132023000 165028750 264046000 330057500 660115000 1320230000