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1142230000 = 2454176719
BaseRepresentation
bin100010000010101…
…0000101111110000
32221121022021222211
41010011100233300
54314402330000
6305201541504
740206536422
oct10405205760
92847267884
101142230000
1153683933a
1227a644894
13152848552
14ab9b2812
156a4287ba
hex44150bf0

1142230000 has 100 divisors (see below), whose sum is σ = 2928562560. Its totient is φ = 429952000.

The previous prime is 1142229971. The next prime is 1142230007. The reversal of 1142230000 is 322411.

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142230007) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 166641 + ... + 173359.

Almost surely, 21142230000 is an apocalyptic number.

1142230000 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 1142230000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1464281280).

1142230000 is an abundant number, since it is smaller than the sum of its proper divisors (1786332560).

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

1142230000 is an equidigital number, since it uses as much as digits as its factorization.

1142230000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6764 (or 6743 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1142230000 is about 33796.8933483538. The cubic root of 1142230000 is about 1045.3246398708.

Adding to 1142230000 its reverse (322411), we get a palindrome (1142552411).

The spelling of 1142230000 in words is "one billion, one hundred forty-two million, two hundred thirty thousand".

Divisors: 1 2 4 5 8 10 16 17 20 25 34 40 50 68 80 85 100 125 136 170 200 250 272 340 400 425 500 625 680 850 1000 1250 1360 1700 2000 2125 2500 3400 4250 5000 6719 6800 8500 10000 10625 13438 17000 21250 26876 33595 34000 42500 53752 67190 85000 107504 114223 134380 167975 170000 228446 268760 335950 456892 537520 571115 671900 839875 913784 1142230 1343800 1679750 1827568 2284460 2687600 2855575 3359500 4199375 4568920 5711150 6719000 8398750 9137840 11422300 13438000 14277875 16797500 22844600 28555750 33595000 45689200 57111500 67190000 71389375 114223000 142778750 228446000 285557500 571115000 1142230000