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141681816 = 23321967803
BaseRepresentation
bin10000111000111…
…10010010011000
3100212121011220200
420130132102120
5242232304231
622020422200
73340163343
oct1034362230
9325534820
10141681816
1172a80711
123b547960
13234789c3
1414b6145a
15c689be6
hex871e498

141681816 has 24 divisors (see below), whose sum is σ = 383721780. Its totient is φ = 47227248.

The previous prime is 141681779. The next prime is 141681847. The reversal of 141681816 is 618186141.

141681816 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 983830 + ... + 983973.

Almost surely, 2141681816 is an apocalyptic number.

It is an amenable number.

141681816 is an abundant number, since it is smaller than the sum of its proper divisors (242039964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

141681816 is a wasteful number, since it uses less digits than its factorization.

141681816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967815 (or 1967808 counting only the distinct ones).

The product of its digits is 9216, while the sum is 36.

The square root of 141681816 is about 11903.0170965180. The cubic root of 141681816 is about 521.3203821253.

The spelling of 141681816 in words is "one hundred forty-one million, six hundred eighty-one thousand, eight hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1967803 3935606 5903409 7871212 11806818 15742424 17710227 23613636 35420454 47227272 70840908 141681816