Search a number
-
+
3949102818 = 2321663131927
BaseRepresentation
bin1110101101100010…
…1000011011100010
3101012012221012122100
43223120220123202
531041432242233
61451510551230
7166601551203
oct35330503342
911165835570
103949102818
111747190441
12922668516
134ac210b3b
142966a55aa
15181a6e813
hexeb6286e2

3949102818 has 24 divisors (see below), whose sum is σ = 8561599488. Its totient is φ = 1315566072.

The previous prime is 3949102799. The next prime is 3949102819. The reversal of 3949102818 is 8182019493.

3949102818 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39491028182 = 31190826134271082248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3949102819) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36030 + ... + 95897.

It is an arithmetic number, because the mean of its divisors is an integer number (356733312).

Almost surely, 23949102818 is an apocalyptic number.

3949102818 is an abundant number, since it is smaller than the sum of its proper divisors (4612496670).

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

3949102818 is a wasteful number, since it uses less digits than its factorization.

3949102818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133598 (or 133595 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 3949102818 is about 62841.8874477844. The cubic root of 3949102818 is about 1580.6394380765.

The spelling of 3949102818 in words is "three billion, nine hundred forty-nine million, one hundred two thousand, eight hundred eighteen".

Divisors: 1 2 3 6 9 18 1663 3326 4989 9978 14967 29934 131927 263854 395781 791562 1187343 2374686 219394601 438789202 658183803 1316367606 1974551409 3949102818