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2112655601 = 7593508951
BaseRepresentation
bin111110111101100…
…1001000011110001
312110020100000122202
41331323021003301
513311314434401
6545345312545
7103232163530
oct17573110361
95406300582
102112655601
119945a2471
124ab635755
132788cc394
14160822317
15c571706b
hex7dec90f1

2112655601 has 8 divisors (see below), whose sum is σ = 2418539904. Its totient is φ = 1807790400.

The previous prime is 2112655583. The next prime is 2112655607. The reversal of 2112655601 is 1065562112.

It is a happy number.

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 2112655601 - 26 = 2112655537 is a prime.

It is a super-3 number, since 3×21126556013 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112655607) 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, 250325 + ... + 258626.

It is an arithmetic number, because the mean of its divisors is an integer number (302317488).

Almost surely, 22112655601 is an apocalyptic number.

It is an amenable number.

2112655601 is a deficient number, since it is larger than the sum of its proper divisors (305884303).

2112655601 is an equidigital number, since it uses as much as digits as its factorization.

2112655601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509551.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 2112655601 is about 45963.6334616836. The cubic root of 2112655601 is about 1283.1464747486.

The spelling of 2112655601 in words is "two billion, one hundred twelve million, six hundred fifty-five thousand, six hundred one".

Divisors: 1 7 593 4151 508951 3562657 301807943 2112655601