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168943436030 = 25331431118423
BaseRepresentation
bin1001110101010111010…
…0000100000011111110
3121011001221212202211102
42131111310010003332
510231444004423110
6205340032053102
715130401340505
oct2352564040376
9534057782742
10168943436030
1165715190006
12288aa994192
1312c150a3bc5
14826960383c
1545dbbe45a5
hex2755d040fe

168943436030 has 32 divisors (see below), whose sum is σ = 305727187968. Its totient is φ = 67216327200.

The previous prime is 168943436021. The next prime is 168943436059. The reversal of 168943436030 is 30634349861.

168943436030 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, 1367399 + ... + 1485821.

It is an arithmetic number, because the mean of its divisors is an integer number (9553974624).

Almost surely, 2168943436030 is an apocalyptic number.

168943436030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

168943436030 is a deficient number, since it is larger than the sum of its proper divisors (136783751938).

168943436030 is a wasteful number, since it uses less digits than its factorization.

168943436030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119192.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 168943436030 in words is "one hundred sixty-eight billion, nine hundred forty-three million, four hundred thirty-six thousand, thirty".

Divisors: 1 2 5 10 331 431 662 862 1655 2155 3310 4310 118423 142661 236846 285322 592115 713305 1184230 1426610 39198013 51040313 78396026 102080626 195990065 255201565 391980130 510403130 16894343603 33788687206 84471718015 168943436030