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2055520047 = 37172356809
BaseRepresentation
bin111101010000100…
…1011111100101111
312022020211020102010
41322201023330233
513202203120142
6535544532303
7101636426550
oct17241137457
95266736363
102055520047
119653186a9
12494481093
13269b16169
14156dcc327
15c06cce9c
hex7a84bf2f

2055520047 has 16 divisors (see below), whose sum is σ = 3134094080. Its totient is φ = 1173880512.

The previous prime is 2055520021. The next prime is 2055520067. The reversal of 2055520047 is 7400255502.

It is not a de Polignac number, because 2055520047 - 210 = 2055519023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2055519996 and 2055520023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055520067) 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, 7779 + ... + 64587.

It is an arithmetic number, because the mean of its divisors is an integer number (195880880).

Almost surely, 22055520047 is an apocalyptic number.

2055520047 is a deficient number, since it is larger than the sum of its proper divisors (1078574033).

2055520047 is a wasteful number, since it uses less digits than its factorization.

2055520047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58542.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 2055520047 is about 45337.8434312882. The cubic root of 2055520047 is about 1271.4732828981.

Adding to 2055520047 its reverse (7400255502), we get a palindrome (9455775549).

The spelling of 2055520047 in words is "two billion, fifty-five million, five hundred twenty thousand, forty-seven".

Divisors: 1 3 7 21 1723 5169 12061 36183 56809 170427 397663 1192989 97881907 293645721 685173349 2055520047