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2149903080 = 2333513211779
BaseRepresentation
bin1000000000100100…
…1110101011101000
312112211102101121000
42000021032223220
513400333344310
6553155515000
7104163606003
oct20011165350
95484371530
102149903080
11a03623006
124bbbb8a60
13283541100
1416575a53a
15c8b234c0
hex8024eae8

2149903080 has 192 divisors, whose sum is σ = 7760664000. Its totient is φ = 529161984.

The previous prime is 2149903061. The next prime is 2149903097. The reversal of 2149903080 is 803099412.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 176631 + ... + 188409.

It is an arithmetic number, because the mean of its divisors is an integer number (40420125).

Almost surely, 22149903080 is an apocalyptic number.

2149903080 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 2149903080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3880332000).

2149903080 is an abundant number, since it is smaller than the sum of its proper divisors (5610760920).

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

2149903080 is a wasteful number, since it uses less digits than its factorization.

2149903080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11825 (or 11802 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 2149903080 is about 46367.0473504622. The cubic root of 2149903080 is about 1290.6434864219.

The spelling of 2149903080 in words is "two billion, one hundred forty-nine million, nine hundred three thousand, eighty".