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141143661 = 3318732791
BaseRepresentation
bin10000110100110…
…10111001101101
3100211120211201000
420122122321231
5242113044121
622001110513
73332462361
oct1032327155
9324524630
10141143661
117274335a
123b328439
132331aa79
1414a612a1
15c5d0526
hex869ae6d

141143661 has 16 divisors (see below), whose sum is σ = 209288320. Its totient is φ = 94011840.

The previous prime is 141143659. The next prime is 141143683. The reversal of 141143661 is 166341141.

It is not a de Polignac number, because 141143661 - 21 = 141143659 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141143621) 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, 49176 + ... + 51966.

It is an arithmetic number, because the mean of its divisors is an integer number (13080520).

Almost surely, 2141143661 is an apocalyptic number.

It is an amenable number.

141143661 is a deficient number, since it is larger than the sum of its proper divisors (68144659).

141143661 is a wasteful number, since it uses less digits than its factorization.

141143661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4673 (or 4667 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 141143661 is about 11880.3897663334. The cubic root of 141143661 is about 520.6594948434.

The spelling of 141143661 in words is "one hundred forty-one million, one hundred forty-three thousand, six hundred sixty-one".

Divisors: 1 3 9 27 1873 2791 5619 8373 16857 25119 50571 75357 5227543 15682629 47047887 141143661