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159893406894 = 23133678155733
BaseRepresentation
bin1001010011101001100…
…0111100010010101110
3120021201020122122202010
42110322120330102232
510104430203010034
6201242022342050
714360210351064
oct2247230742256
9507636578663
10159893406894
11618a0729191
1226ba3b8a926
1312102158190
147a4b6c8034
15425c4343e9
hex253a63c4ae

159893406894 has 32 divisors (see below), whose sum is σ = 344401341984. Its totient is φ = 49195751040.

The previous prime is 159893406833. The next prime is 159893406977. The reversal of 159893406894 is 498604398951.

159893406894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2841052 + ... + 2896784.

It is an arithmetic number, because the mean of its divisors is an integer number (10762541937).

Almost surely, 2159893406894 is an apocalyptic number.

159893406894 is an abundant number, since it is smaller than the sum of its proper divisors (184507935090).

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

159893406894 is a wasteful number, since it uses less digits than its factorization.

159893406894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92532.

The product of its (nonzero) digits is 67184640, while the sum is 66.

The spelling of 159893406894 in words is "one hundred fifty-nine billion, eight hundred ninety-three million, four hundred six thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 13 26 39 78 36781 55733 73562 110343 111466 167199 220686 334398 478153 724529 956306 1434459 1449058 2173587 2868918 4347174 2049915473 4099830946 6149746419 12299492838 26648901149 53297802298 79946703447 159893406894