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2061118080 = 273257173197
BaseRepresentation
bin111101011011010…
…0010101010000000
312022122100122110200
41322312202222000
513210121234310
6540304525200
7102035133420
oct17266425200
95278318420
102061118080
119684a157a
12496320800
1326b0261c8
14157a48480
15c0e369c0
hex7ada2a80

2061118080 has 768 divisors, whose sum is σ = 8982005760. Its totient is φ = 424673280.

The previous prime is 2061118061. The next prime is 2061118109. The reversal of 2061118080 is 808111602.

It is a super-3 number, since 3×20611180803 (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21248592 + ... + 21248688.

It is an arithmetic number, because the mean of its divisors is an integer number (11695320).

Almost surely, 22061118080 is an apocalyptic number.

2061118080 is a gapful number since it is divisible by the number (20) 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 2061118080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4491002880).

2061118080 is an abundant number, since it is smaller than the sum of its proper divisors (6920887680).

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

2061118080 is a wasteful number, since it uses less digits than its factorization.

2061118080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 2061118080 is about 45399.5383236438. The cubic root of 2061118080 is about 1272.6264862181.

Adding to 2061118080 its reverse (808111602), we get a palindrome (2869229682).

The spelling of 2061118080 in words is "two billion, sixty-one million, one hundred eighteen thousand, eighty".