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141211749 = 3741401409
BaseRepresentation
bin10000110101010…
…11100001100101
3100211201022002210
420122223201211
5242122233444
622002354033
73333165030
oct1032534145
9324638083
10141211749
117278a528
123b35b919
1323342a63
1414a7c017
15c5e57b9
hex86ab865

141211749 has 32 divisors (see below), whose sum is σ = 221518080. Its totient is φ = 78336000.

The previous prime is 141211739. The next prime is 141211783. The reversal of 141211749 is 947112141.

It is not a de Polignac number, because 141211749 - 28 = 141211493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141211729) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 345057 + ... + 345465.

It is an arithmetic number, because the mean of its divisors is an integer number (6922440).

Almost surely, 2141211749 is an apocalyptic number.

It is an amenable number.

141211749 is a deficient number, since it is larger than the sum of its proper divisors (80306331).

141211749 is a wasteful number, since it uses less digits than its factorization.

141211749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861.

The product of its digits is 2016, while the sum is 30.

The square root of 141211749 is about 11883.2549833789. The cubic root of 141211749 is about 520.7432037975.

The spelling of 141211749 in words is "one hundred forty-one million, two hundred eleven thousand, seven hundred forty-nine".

Divisors: 1 3 7 21 41 123 287 401 409 861 1203 1227 2807 2863 8421 8589 16441 16769 49323 50307 115087 117383 164009 345261 352149 492027 1148063 3444189 6724369 20173107 47070583 141211749