Search a number
-
+
2091814080 = 263529227331
BaseRepresentation
bin111110010101110…
…1000110011000000
312101210010011110120
41330223220303000
513241001022310
6543322500240
7102560061216
oct17453506300
95353104416
102091814080
11983857974
124a4664680
132744b2c15
1415bb58cb6
15c399bb70
hex7cae8cc0

2091814080 has 224 divisors, whose sum is σ = 6921642240. Its totient is φ = 534589440.

The previous prime is 2091814037. The next prime is 2091814093. The reversal of 2091814080 is 804181902.

It is a super-2 number, since 2×20918140802 = 8751372290572492800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6319515 + ... + 6319845.

Almost surely, 22091814080 is an apocalyptic number.

2091814080 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 2091814080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3460821120).

2091814080 is an abundant number, since it is smaller than the sum of its proper divisors (4829828160).

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

2091814080 is a wasteful number, since it uses less digits than its factorization.

2091814080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 2091814080 is about 45736.3540304646. The cubic root of 2091814080 is about 1278.9130746831.

Adding to 2091814080 its reverse (804181902), we get a palindrome (2895995982).

The spelling of 2091814080 in words is "two billion, ninety-one million, eight hundred fourteen thousand, eighty".