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2010405055221 = 322947732245031
BaseRepresentation
bin11101010000010101011…
…110101010101011110101
321010012012120210102101200
4131100111132222223311
5230414302143231341
64135322313243113
7265150466005023
oct35202536525365
97105176712350
102010405055221
11705676273882
12285768703499
13117771143094
146d438731713
15374666ebdb6
hex1d4157aaaf5

2010405055221 has 48 divisors (see below), whose sum is σ = 3109997928960. Its totient is φ = 1249170612480.

The previous prime is 2010405055207. The next prime is 2010405055229. The reversal of 2010405055221 is 1225505040102.

2010405055221 is a `hidden beast` number, since 2 + 0 + 1 + 0 + 40 + 50 + 552 + 21 = 666.

It is not a de Polignac number, because 2010405055221 - 223 = 2010396666613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2010405055229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 227025 + ... + 2018006.

It is an arithmetic number, because the mean of its divisors is an integer number (64791623520).

Almost surely, 22010405055221 is an apocalyptic number.

It is an amenable number.

2010405055221 is a deficient number, since it is larger than the sum of its proper divisors (1099592873739).

2010405055221 is a wasteful number, since it uses less digits than its factorization.

2010405055221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245186 (or 2245183 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The spelling of 2010405055221 in words is "two trillion, ten billion, four hundred five million, fifty-five thousand, two hundred twenty-one".

Divisors: 1 3 9 29 47 73 87 141 219 261 423 657 1363 2117 3431 4089 6351 10293 12267 19053 30879 99499 298497 895491 2245031 6735093 20205279 65105899 105516457 163887263 195317697 316549371 491661789 585953091 949648113 1474985367 3059977253 4752730627 7702701361 9179931759 14258191881 23108104083 27539795277 42774575643 69324312249 223378339469 670135018407 2010405055221