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2660306916 = 223221692243
BaseRepresentation
bin1001111010010001…
…0000111111100100
320212101211121000210
42132210100333210
520422014310131
61115551335420
7122632143561
oct23644207744
96771747023
102660306916
111145745a63
12622b21570
133351c9807
141b345d868
15108844146
hex9e910fe4

2660306916 has 12 divisors (see below), whose sum is σ = 6207382832. Its totient is φ = 886768968.

The previous prime is 2660306903. The next prime is 2660306923. The reversal of 2660306916 is 6196030662.

It is a happy number.

2660306916 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110846110 + ... + 110846133.

Almost surely, 22660306916 is an apocalyptic number.

It is an amenable number.

2660306916 is an abundant number, since it is smaller than the sum of its proper divisors (3547075916).

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

2660306916 is a wasteful number, since it uses less digits than its factorization.

2660306916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221692250 (or 221692248 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 2660306916 is about 51578.1631700858. The cubic root of 2660306916 is about 1385.6192699570.

The spelling of 2660306916 in words is "two billion, six hundred sixty million, three hundred six thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 221692243 443384486 665076729 886768972 1330153458 2660306916