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169115027136 = 2631131297859
BaseRepresentation
bin1001110110000000001…
…0101000011011000000
3121011111220202111120120
42131200002220123000
510232321421332021
6205405041540240
715134554004226
oct2354002503300
9534456674516
10169115027136
11657a3029a40
1228938344680
1312c417c24c3
14828430cb16
1545ebcdb2c6
hex27600a86c0

169115027136 has 336 divisors, whose sum is σ = 510174483840. Its totient is φ = 49025433600.

The previous prime is 169115027131. The next prime is 169115027177. The reversal of 169115027136 is 631720511961.

It is not an unprimeable number, because it can be changed into a prime (169115027131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 196873875 + ... + 196874733.

It is an arithmetic number, because the mean of its divisors is an integer number (1518376440).

Almost surely, 2169115027136 is an apocalyptic number.

169115027136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 169115027136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255087241920).

169115027136 is an abundant number, since it is smaller than the sum of its proper divisors (341059456704).

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

169115027136 is a wasteful number, since it uses less digits than its factorization.

169115027136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044 (or 1003 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 169115027136 in words is "one hundred sixty-nine billion, one hundred fifteen million, twenty-seven thousand, one hundred thirty-six".