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141481681 = 11137223421
BaseRepresentation
bin10000110111011…
…01011011010001
3100212020000101021
420123231123101
5242204403211
622012235441
73335401015
oct1033553321
9325200337
10141481681
1172954310
123b46bb81
1323408893
1414b0c545
15c64a771
hex86ed6d1

141481681 has 16 divisors (see below), whose sum is σ = 156538368. Its totient is φ = 126806400.

The previous prime is 141481679. The next prime is 141481687. The reversal of 141481681 is 186184141.

It is a cyclic number.

It is not a de Polignac number, because 141481681 - 21 = 141481679 is a prime.

It is a super-2 number, since 2×1414816812 = 40034132117171522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141481687) 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, 335851 + ... + 336271.

It is an arithmetic number, because the mean of its divisors is an integer number (9783648).

Almost surely, 2141481681 is an apocalyptic number.

141481681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

141481681 is a deficient number, since it is larger than the sum of its proper divisors (15056687).

141481681 is a wasteful number, since it uses less digits than its factorization.

141481681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792.

The product of its digits is 6144, while the sum is 34.

The square root of 141481681 is about 11894.6072234437. The cubic root of 141481681 is about 521.0747998700.

The spelling of 141481681 in words is "one hundred forty-one million, four hundred eighty-one thousand, six hundred eighty-one".

Divisors: 1 11 137 223 421 1507 2453 4631 30551 57677 93883 336061 634447 1032713 12861971 141481681