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1120201305 = 35131570077
BaseRepresentation
bin100001011000100…
…1110101001011001
32220001212010022020
41002301032221121
54243232420210
6303053445053
736521361006
oct10261165131
92801763266
101120201305
11525362903
122731a0789
1314b104912
14a8aba8ad
1568526770
hex42c4ea59

1120201305 has 16 divisors (see below), whose sum is σ = 1806007104. Its totient is φ = 592879040.

The previous prime is 1120201289. The next prime is 1120201309. The reversal of 1120201305 is 5031020211.

It is not a de Polignac number, because 1120201305 - 24 = 1120201289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (1120201309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283074 + ... + 287003.

It is an arithmetic number, because the mean of its divisors is an integer number (112875444).

Almost surely, 21120201305 is an apocalyptic number.

1120201305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1120201305 is a deficient number, since it is larger than the sum of its proper divisors (685805799).

1120201305 is a wasteful number, since it uses less digits than its factorization.

1120201305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570216.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 1120201305 is about 33469.4084949226. The cubic root of 1120201305 is about 1038.5610353944.

Adding to 1120201305 its reverse (5031020211), we get a palindrome (6151221516).

The spelling of 1120201305 in words is "one billion, one hundred twenty million, two hundred one thousand, three hundred five".

Divisors: 1 3 5 15 131 393 655 1965 570077 1710231 2850385 8551155 74680087 224040261 373400435 1120201305