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2664745237 = 71134607081
BaseRepresentation
bin1001111011010100…
…1100100100010101
320212201012002021001
42132311030210111
520424133321422
61120230423301
7123014650360
oct23665144425
96781162231
102664745237
1111481a75a0
12624501b31
133360c1a3b
141b3c970d7
15108e1e227
hex9ed4c915

2664745237 has 8 divisors (see below), whose sum is σ = 3322279872. Its totient is φ = 2076424800.

The previous prime is 2664745211. The next prime is 2664745249. The reversal of 2664745237 is 7325474662.

2664745237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2664745237 - 211 = 2664743189 is a prime.

It is a super-2 number, since 2×26647452372 = 14201734356228372338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2664745037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17303464 + ... + 17303617.

It is an arithmetic number, because the mean of its divisors is an integer number (415284984).

Almost surely, 22664745237 is an apocalyptic number.

It is an amenable number.

2664745237 is a deficient number, since it is larger than the sum of its proper divisors (657534635).

2664745237 is a wasteful number, since it uses less digits than its factorization.

2664745237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34607099.

The product of its digits is 1693440, while the sum is 46.

The square root of 2664745237 is about 51621.1704342317. The cubic root of 2664745237 is about 1386.3894074445.

The spelling of 2664745237 in words is "two billion, six hundred sixty-four million, seven hundred forty-five thousand, two hundred thirty-seven".

Divisors: 1 7 11 77 34607081 242249567 380677891 2664745237