Search a number
-
+
2001102108 = 223166758509
BaseRepresentation
bin111011101000110…
…0110010100011100
312011110102112000220
41313101212110130
513044240231413
6530322321340
7100406041635
oct16721462434
95143375026
102001102108
1193762a6a5
1247a1b9250
1325b771bb5
1414daa488c
15baa2e223
hex7746651c

2001102108 has 12 divisors (see below), whose sum is σ = 4669238280. Its totient is φ = 667034032.

The previous prime is 2001102101. The next prime is 2001102119. The reversal of 2001102108 is 8012011002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001102101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83379243 + ... + 83379266.

It is an arithmetic number, because the mean of its divisors is an integer number (389103190).

Almost surely, 22001102108 is an apocalyptic number.

It is an amenable number.

2001102108 is an abundant number, since it is smaller than the sum of its proper divisors (2668136172).

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

2001102108 is a wasteful number, since it uses less digits than its factorization.

2001102108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166758516 (or 166758514 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

The square root of 2001102108 is about 44733.6797949822. The cubic root of 2001102108 is about 1260.1524355762.

The spelling of 2001102108 in words is "two billion, one million, one hundred two thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 166758509 333517018 500275527 667034036 1000551054 2001102108