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2055502001 = 72332515021
BaseRepresentation
bin111101010000100…
…0111100010110001
312022020210022122202
41322201013202301
513202202031001
6535544312545
7101636323130
oct17241074261
95266708582
102055502001
11965306093
12494472755
13269b0ab97
14156dc5917
15c06c796b
hex7a8478b1

2055502001 has 16 divisors (see below), whose sum is σ = 2369098368. Its totient is φ = 1746960000.

The previous prime is 2055501997. The next prime is 2055502037. The reversal of 2055502001 is 1002055502.

It is not a de Polignac number, because 2055502001 - 22 = 2055501997 is a prime.

It is a super-2 number, since 2×20555020012 = 8450176952230008002, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2055502201) 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, 406871 + ... + 411891.

It is an arithmetic number, because the mean of its divisors is an integer number (148068648).

Almost surely, 22055502001 is an apocalyptic number.

It is an amenable number.

2055502001 is a deficient number, since it is larger than the sum of its proper divisors (313596367).

2055502001 is a wasteful number, since it uses less digits than its factorization.

2055502001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5512.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 2055502001 is about 45337.6444138863. The cubic root of 2055502001 is about 1271.4695620110.

Adding to 2055502001 its reverse (1002055502), we get a palindrome (3057557503).

The spelling of 2055502001 in words is "two billion, fifty-five million, five hundred two thousand, one".

Divisors: 1 7 233 251 1631 1757 5021 35147 58483 409381 1169893 1260271 8189251 8821897 293643143 2055502001