Search a number
-
+
2664026481 = 31735132999
BaseRepresentation
bin1001111011001001…
…1101000101110001
320212122211120022110
42132302131011301
520423442321411
61120203155533
7123005565024
oct23662350561
96778746273
102664026481
111147856586
12624215ba9
13335bcc83c
141b3b4b1bb
15108d2b2a6
hex9ec9d171

2664026481 has 8 divisors (see below), whose sum is σ = 3572568000. Its totient is φ = 1765751312.

The previous prime is 2664026479. The next prime is 2664026489. The reversal of 2664026481 is 1846204662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2664026481 - 21 = 2664026479 is a prime.

It is a super-2 number, since 2×26640264812 = 14194074182938486722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2664026489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2565981 + ... + 2567018.

It is an arithmetic number, because the mean of its divisors is an integer number (446571000).

Almost surely, 22664026481 is an apocalyptic number.

It is an amenable number.

2664026481 is a deficient number, since it is larger than the sum of its proper divisors (908541519).

2664026481 is a wasteful number, since it uses less digits than its factorization.

2664026481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133175.

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 2664026481 is about 51614.2081310951. The cubic root of 2664026481 is about 1386.2647469582.

The spelling of 2664026481 in words is "two billion, six hundred sixty-four million, twenty-six thousand, four hundred eighty-one".

Divisors: 1 3 173 519 5132999 15398997 888008827 2664026481