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303134044221 = 33611423129341
BaseRepresentation
bin1000110100101000011…
…00100111000000111101
31001222102221011222012000
410122110030213000331
514431304303403341
6351131410332513
730620641601451
oct4322414470075
91058387158160
10303134044221
111076162a1098
124a8bab8a139
132277c216648
141095947c661
157d428ce8b6
hex469432703d

303134044221 has 32 divisors (see below), whose sum is σ = 456773859840. Its totient is φ = 198635198400.

The previous prime is 303134044211. The next prime is 303134044223. The reversal of 303134044221 is 122440431303.

303134044221 is a `hidden beast` number, since 3 + 0 + 31 + 3 + 404 + 4 + 221 = 666.

It is not a de Polignac number, because 303134044221 - 25 = 303134044189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303134044223) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 2279011 + ... + 2408351.

It is an arithmetic number, because the mean of its divisors is an integer number (14274183120).

Almost surely, 2303134044221 is an apocalyptic number.

It is an amenable number.

303134044221 is a deficient number, since it is larger than the sum of its proper divisors (153639815619).

303134044221 is a wasteful number, since it uses less digits than its factorization.

303134044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130834 (or 130828 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 303134044221 its reverse (122440431303), we get a palindrome (425574475524).

The spelling of 303134044221 in words is "three hundred three billion, one hundred thirty-four million, forty-four thousand, two hundred twenty-one".

Divisors: 1 3 9 27 61 183 549 1423 1647 4269 12807 38421 86803 129341 260409 388023 781227 1164069 2343681 3492207 7889801 23669403 71008209 184052243 213024627 552156729 1656470187 4969410561 11227186823 33681560469 101044681407 303134044221