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1204201120 = 25517442721
BaseRepresentation
bin100011111000110…
…1010011010100000
310002220220202101111
41013301222122200
54431233413440
6315254113104
741561353303
oct10761523240
93086822344
101204201120
11568816141
1229734b794
13162635755
14b5d04b3a
1570aba4ea
hex47c6a6a0

1204201120 has 48 divisors (see below), whose sum is σ = 3012280488. Its totient is φ = 453345280.

The previous prime is 1204201091. The next prime is 1204201121. The reversal of 1204201120 is 211024021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 770395536 + 433805584 = 27756^2 + 20828^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1204201120.

It is not an unprimeable number, because it can be changed into a prime (1204201121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218641 + ... + 224080.

Almost surely, 21204201120 is an apocalyptic number.

1204201120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1204201120 is an abundant number, since it is smaller than the sum of its proper divisors (1808079368).

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

1204201120 is a wasteful number, since it uses less digits than its factorization.

1204201120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442753 (or 442745 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1204201120 is about 34701.6011157987. The cubic root of 1204201120 is about 1063.8972237584.

Adding to 1204201120 its reverse (211024021), we get a palindrome (1415225141).

The spelling of 1204201120 in words is "one billion, two hundred four million, two hundred one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 17 20 32 34 40 68 80 85 136 160 170 272 340 544 680 1360 2720 442721 885442 1770884 2213605 3541768 4427210 7083536 7526257 8854420 14167072 15052514 17708840 30105028 35417680 37631285 60210056 70835360 75262570 120420112 150525140 240840224 301050280 602100560 1204201120