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1201110730 = 25120111073
BaseRepresentation
bin100011110010111…
…0111111011001010
310002201002202011121
41013211313323022
54424441020410
6315103545454
741523162361
oct10745677312
93081082147
101201110730
11566aa52a6
122962bb28a
13161ac2c11
14b573c7d8
15706a99da
hex47977eca

1201110730 has 8 divisors (see below), whose sum is σ = 2161999332. Its totient is φ = 480444288.

The previous prime is 1201110721. The next prime is 1201110737. The reversal of 1201110730 is 370111021.

It can be written as a sum of positive squares in 2 ways, for example, as 1000520161 + 200590569 = 31631^2 + 14163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12011107302 = 2885333971442265800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1201110737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60055527 + ... + 60055546.

Almost surely, 21201110730 is an apocalyptic number.

1201110730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201110730 is a deficient number, since it is larger than the sum of its proper divisors (960888602).

1201110730 is a wasteful number, since it uses less digits than its factorization.

1201110730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120111080.

The product of its (nonzero) digits is 42, while the sum is 16.

The square root of 1201110730 is about 34657.0444498662. The cubic root of 1201110730 is about 1062.9863366177.

Adding to 1201110730 its reverse (370111021), we get a palindrome (1571221751).

The spelling of 1201110730 in words is "one billion, two hundred one million, one hundred ten thousand, seven hundred thirty".

Divisors: 1 2 5 10 120111073 240222146 600555365 1201110730