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143899183694 = 2721134864417
BaseRepresentation
bin1000011000000100001…
…1110100101001001110
3111202102120200221020002
42012001003310221032
54324201142334234
6150034550524302
713252645610540
oct2060103645116
9452376627202
10143899183694
1156033379602
1223a7b666692
1310753645496
146d7141b690
153b231d027e
hex21810f4a4e

143899183694 has 16 divisors (see below), whose sum is σ = 246801111648. Its totient is φ = 61641879552.

The previous prime is 143899183691. The next prime is 143899183717. The reversal of 143899183694 is 496381998341.

It is a self number, because there is not a number n which added to its sum of digits gives 143899183694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143899183691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2402627 + ... + 2461790.

It is an arithmetic number, because the mean of its divisors is an integer number (15425069478).

Almost surely, 2143899183694 is an apocalyptic number.

143899183694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143899183694 is a deficient number, since it is larger than the sum of its proper divisors (102901927954).

143899183694 is a wasteful number, since it uses less digits than its factorization.

143899183694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4866539.

The product of its digits is 40310784, while the sum is 65.

The spelling of 143899183694 in words is "one hundred forty-three billion, eight hundred ninety-nine million, one hundred eighty-three thousand, six hundred ninety-four".

Divisors: 1 2 7 14 2113 4226 14791 29582 4864417 9728834 34050919 68101838 10278513121 20557026242 71949591847 143899183694