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BaseRepresentation
bin111110110100101…
…1111010011001100
312102220121220221010
41331221133103030
513304123344413
6545102205220
7103144641354
oct17551372314
95386556833
102108028108
11991a2179a
124a9b83810
1327796c014
1415dd79b64
15c5100dc3
hex7da5f4cc

2108028108 has 96 divisors (see below), whose sum is σ = 5217924096. Its totient is φ = 661061632.

The previous prime is 2108028073. The next prime is 2108028133. The reversal of 2108028108 is 8018208012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8015185 + ... + 8015447.

It is an arithmetic number, because the mean of its divisors is an integer number (54353376).

Almost surely, 22108028108 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2108028108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2608962048).

2108028108 is an abundant number, since it is smaller than the sum of its proper divisors (3109895988).

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

2108028108 is a wasteful number, since it uses less digits than its factorization.

2108028108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 661 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 2108028108 is about 45913.2672329034. The cubic root of 2108028108 is about 1282.2089356158.

The spelling of 2108028108 in words is "two billion, one hundred eight million, twenty-eight thousand, one hundred eight".