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16162246040 = 2351801224351
BaseRepresentation
bin11110000110101100…
…00100110110011000
31112201101010011112012
433003112010312120
5231100013333130
611231433005052
71111341552563
oct170326046630
945641104465
1016162246040
116944191736
123170853788
1316a75820c5
14ad47274da
15648d93995
hex3c3584d98

16162246040 has 32 divisors (see below), whose sum is σ = 36385407360. Its totient is φ = 6461280000.

The previous prime is 16162245997. The next prime is 16162246049. The reversal of 16162246040 is 4064226161.

16162246040 is nontrivially palindromic in base 14.

It is a super-2 number, since 2×161622460402 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16162245988 and 16162246006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16162246049) 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, 40136 + ... + 184215.

It is an arithmetic number, because the mean of its divisors is an integer number (1137043980).

Almost surely, 216162246040 is an apocalyptic number.

16162246040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16162246040 is an abundant number, since it is smaller than the sum of its proper divisors (20223161320).

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

16162246040 is a wasteful number, since it uses less digits than its factorization.

16162246040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226163 (or 226159 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 16162246040 in words is "sixteen billion, one hundred sixty-two million, two hundred forty-six thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 1801 3602 7204 9005 14408 18010 36020 72040 224351 448702 897404 1121755 1794808 2243510 4487020 8974040 404056151 808112302 1616224604 2020280755 3232449208 4040561510 8081123020 16162246040