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1201043025 = 335271319553
BaseRepresentation
bin100011110010110…
…0111011001010001
310002200222022022000
41013211213121101
54424431334100
6315102304213
741522461110
oct10745473121
93080868260
101201043025
11566a59446
12296288069
13161a9b160
14b5721c77
1570694900
hex47967651

1201043025 has 96 divisors (see below), whose sum is σ = 2715659520. Its totient is φ = 506787840.

The previous prime is 1201042961. The next prime is 1201043059. The reversal of 1201043025 is 5203401021.

It is not a de Polignac number, because 1201043025 - 26 = 1201042961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201042989 and 1201043007.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 51649 + ... + 71201.

It is an arithmetic number, because the mean of its divisors is an integer number (28288120).

Almost surely, 21201043025 is an apocalyptic number.

1201043025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1201043025 is an abundant number, since it is smaller than the sum of its proper divisors (1514616495).

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

1201043025 is a wasteful number, since it uses less digits than its factorization.

1201043025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19592 (or 19581 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1201043025 is about 34656.0676505572. The cubic root of 1201043025 is about 1062.9663632046.

Adding to 1201043025 its reverse (5203401021), we get a palindrome (6404444046).

The spelling of 1201043025 in words is "one billion, two hundred one million, forty-three thousand, twenty-five".

Divisors: 1 3 5 7 9 13 15 21 25 27 35 39 45 63 65 75 91 105 117 135 175 189 195 225 273 315 325 351 455 525 585 675 819 945 975 1365 1575 1755 2275 2457 2925 4095 4725 6825 8775 12285 19553 20475 58659 61425 97765 136871 175977 254189 293295 410613 488825 527931 684355 762567 879885 1231839 1270945 1466475 1779323 2053065 2287701 2639655 3421775 3695517 3812835 4399425 5337969 6159195 6354725 6863103 8896615 10265325 11438505 13198275 16013907 18477585 19064175 26689845 30795975 34315515 44483075 48041721 57192525 80069535 92387925 133449225 171577575 240208605 400347675 1201043025