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2275213661 = 7909135753
BaseRepresentation
bin1000011110011101…
…0000000101011101
312212120012211101122
42013213100011131
514124423314121
61013433420325
7110244665660
oct20747200535
95776184348
102275213661
11a68331776
12535b6a6a5
132a34a7296
141782596d7
15d4b275ab
hex879d015d

2275213661 has 8 divisors (see below), whose sum is σ = 2600602944. Its totient is φ = 1949914080.

The previous prime is 2275213643. The next prime is 2275213669. The reversal of 2275213661 is 1663125722.

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 2275213661 - 214 = 2275197277 is a prime.

It is a super-3 number, since 3×22752136613 (a number of 29 digits) contains 333 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 (2275213669) 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, 45761 + ... + 81513.

It is an arithmetic number, because the mean of its divisors is an integer number (325075368).

Almost surely, 22275213661 is an apocalyptic number.

It is an amenable number.

2275213661 is a deficient number, since it is larger than the sum of its proper divisors (325389283).

2275213661 is an equidigital number, since it uses as much as digits as its factorization.

2275213661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44851.

The product of its digits is 30240, while the sum is 35.

The square root of 2275213661 is about 47699.1997941265. The cubic root of 2275213661 is about 1315.2472292226.

The spelling of 2275213661 in words is "two billion, two hundred seventy-five million, two hundred thirteen thousand, six hundred sixty-one".

Divisors: 1 7 9091 35753 63637 250271 325030523 2275213661