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1204144130 = 257218113577
BaseRepresentation
bin100011111000101…
…1100100000000010
310002220210212012202
41013301130200002
54431230103010
6315252553202
741561025200
oct10761344002
93086725182
101204144130
11568787342
12297322802
13162615827
14b5ccc070
1570aa86a5
hex47c5c802

1204144130 has 48 divisors (see below), whose sum is σ = 2535447096. Its totient is φ = 410538240.

The previous prime is 1204144103. The next prime is 1204144181. The reversal of 1204144130 is 314414021.

It can be written as a sum of positive squares in 4 ways, for example, as 921668881 + 282475249 = 30359^2 + 16807^2 .

It is a Curzon number.

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, 81902 + ... + 95478.

Almost surely, 21204144130 is an apocalyptic number.

1204144130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1204144130 is an abundant number, since it is smaller than the sum of its proper divisors (1331302966).

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

1204144130 is a wasteful number, since it uses less digits than its factorization.

1204144130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13779 (or 13772 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1204144130 is about 34700.7799624158. The cubic root of 1204144130 is about 1063.8804401669.

Adding to 1204144130 its reverse (314414021), we get a palindrome (1518558151).

The spelling of 1204144130 in words is "one billion, two hundred four million, one hundred forty-four thousand, one hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 181 245 362 490 905 1267 1810 2534 6335 8869 12670 13577 17738 27154 44345 67885 88690 95039 135770 190078 475195 665273 950390 1330546 2457437 3326365 4914874 6652730 12287185 17202059 24574370 34404118 86010295 120414413 172020590 240828826 602072065 1204144130