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2550506172 = 223212542181
BaseRepresentation
bin1001100000000101…
…1010001010111100
320120202020010201120
42120001122022330
520210412144142
61101030110540
7120126642024
oct23001321274
96522203646
102550506172
111099770045
125b21ab450
13318534066
141a2a3aa84
15edda57ec
hex9805a2bc

2550506172 has 12 divisors (see below), whose sum is σ = 5951181096. Its totient is φ = 850168720.

The previous prime is 2550506149. The next prime is 2550506201. The reversal of 2550506172 is 2716050552.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×25505061723 (a number of 29 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106271079 + ... + 106271102.

It is an arithmetic number, because the mean of its divisors is an integer number (495931758).

Almost surely, 22550506172 is an apocalyptic number.

It is an amenable number.

2550506172 is an abundant number, since it is smaller than the sum of its proper divisors (3400674924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2550506172 is a wasteful number, since it uses less digits than its factorization.

2550506172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212542188 (or 212542186 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 2550506172 is about 50502.5362927447. The cubic root of 2550506172 is about 1366.2875982462.

The spelling of 2550506172 in words is "two billion, five hundred fifty million, five hundred six thousand, one hundred seventy-two".

Divisors: 1 2 3 4 6 12 212542181 425084362 637626543 850168724 1275253086 2550506172