Search a number
-
+
2002679109 = 321871118931
BaseRepresentation
bin111011101011110…
…0111010101000101
312011120101122021100
41313113213111011
513100141212414
6530420210313
7100425330414
oct16727472505
95146348240
102002679109
11938507502
1247a839999
1325bba4932
1414dd9547b
15bac41609
hex775e7545

2002679109 has 12 divisors (see below), whose sum is σ = 2894329152. Its totient is φ = 1334394600.

The previous prime is 2002679087. The next prime is 2002679117. The reversal of 2002679109 is 9019762002.

It is not a de Polignac number, because 2002679109 - 27 = 2002678981 is a prime.

It is a super-2 number, since 2×20026791092 = 8021447227250067762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002672109) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 42627 + ... + 76304.

It is an arithmetic number, because the mean of its divisors is an integer number (241194096).

Almost surely, 22002679109 is an apocalyptic number.

It is an amenable number.

2002679109 is a deficient number, since it is larger than the sum of its proper divisors (891650043).

2002679109 is a wasteful number, since it uses less digits than its factorization.

2002679109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120808 (or 120805 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 2002679109 is about 44751.3028748885. The cubic root of 2002679109 is about 1260.4833765179.

The spelling of 2002679109 in words is "two billion, two million, six hundred seventy-nine thousand, one hundred nine".

Divisors: 1 3 9 1871 5613 16839 118931 356793 1070379 222519901 667559703 2002679109