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1030605511 = 13375340427
BaseRepresentation
bin111101011011011…
…100101011000111
32122211021011222111
4331123130223013
54102313334021
6250133241451
734353000535
oct7533345307
92584234874
101030605511
114898281a1
12249193287
13135694960
149ac37155
15607298e1
hex3d6dcac7

1030605511 has 16 divisors (see below), whose sum is σ = 1161415584. Its totient is φ = 908129664.

The previous prime is 1030605491. The next prime is 1030605517. The reversal of 1030605511 is 1155060301.

It is not a de Polignac number, because 1030605511 - 227 = 896387783 is a prime.

It is a super-2 number, since 2×10306055112 = 2124295438607142242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030605517) 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 15 ways as a sum of consecutive naturals, for example, 5280 + ... + 45706.

It is an arithmetic number, because the mean of its divisors is an integer number (72588474).

Almost surely, 21030605511 is an apocalyptic number.

1030605511 is a deficient number, since it is larger than the sum of its proper divisors (130810073).

1030605511 is a wasteful number, since it uses less digits than its factorization.

1030605511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40530.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 1030605511 is about 32103.0451982363. The cubic root of 1030605511 is about 1010.0994938421.

Adding to 1030605511 its reverse (1155060301), we get a palindrome (2185665812).

The spelling of 1030605511 in words is "one billion, thirty million, six hundred five thousand, five hundred eleven".

Divisors: 1 13 37 53 481 689 1961 25493 40427 525551 1495799 2142631 19445387 27854203 79277347 1030605511