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2113291080 = 2333517314779
BaseRepresentation
bin111110111110110…
…0100001101001000
312110021112022101000
41331331210031020
513312000303310
6545411055000
7103240451325
oct17575441510
95407468330
102113291080
1199499695a
124ab8a1460
13278a926c4
14160949b4c
15c57e04c0
hex7df64348

2113291080 has 512 divisors, whose sum is σ = 7962624000. Its totient is φ = 496005120.

The previous prime is 2113291079. The next prime is 2113291123. The reversal of 2113291080 is 801923112.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 26750481 + ... + 26750559.

It is an arithmetic number, because the mean of its divisors is an integer number (15552000).

Almost surely, 22113291080 is an apocalyptic number.

2113291080 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 2113291080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3981312000).

2113291080 is an abundant number, since it is smaller than the sum of its proper divisors (5849332920).

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

2113291080 is a wasteful number, since it uses less digits than its factorization.

2113291080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 2113291080 is about 45970.5457874931. The cubic root of 2113291080 is about 1283.2751170908.

The spelling of 2113291080 in words is "two billion, one hundred thirteen million, two hundred ninety-one thousand, eighty".