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1330220155 = 511215114561
BaseRepresentation
bin100111101001001…
…1000110001111011
310102201001012000011
41033102120301323
510211014021110
6335555122351
744651453605
oct11722306173
93381035004
101330220155
11622969100
123115a33b7
13182789224
14c894a175
157bbae48a
hex4f498c7b

1330220155 has 24 divisors (see below), whose sum is σ = 1766312352. Its totient is φ = 960960000.

The previous prime is 1330220147. The next prime is 1330220173. The reversal of 1330220155 is 5510220331.

It is not a de Polignac number, because 1330220155 - 23 = 1330220147 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84075 + ... + 98635.

It is an arithmetic number, because the mean of its divisors is an integer number (73596348).

Almost surely, 21330220155 is an apocalyptic number.

1330220155 is a deficient number, since it is larger than the sum of its proper divisors (436092197).

1330220155 is a wasteful number, since it uses less digits than its factorization.

1330220155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14739 (or 14728 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 1330220155 is about 36472.1833045405. The cubic root of 1330220155 is about 1099.7851246954.

Adding to 1330220155 its reverse (5510220331), we get a palindrome (6840440486).

The spelling of 1330220155 in words is "one billion, three hundred thirty million, two hundred twenty thousand, one hundred fifty-five".

Divisors: 1 5 11 55 121 151 605 755 1661 8305 14561 18271 72805 91355 160171 800855 1761881 2198711 8809405 10993555 24185821 120929105 266044031 1330220155