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1116245101 = 2161516541
BaseRepresentation
bin100001010001000…
…1000110001101101
32212210102010102011
41002202020301231
54241224320401
6302433001221
736442632616
oct10242106155
92783363364
101116245101
11523100514
122719b3211
1314a34ac7a
14a836ac0d
1567ee4451
hex42888c6d

1116245101 has 4 divisors (see below), whose sum is σ = 1116763804. Its totient is φ = 1115726400.

The previous prime is 1116245087. The next prime is 1116245111. The reversal of 1116245101 is 1015426111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 561642601 + 554602500 = 23699^2 + 23550^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116245101 - 25 = 1116245069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116245111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256110 + ... + 260431.

It is an arithmetic number, because the mean of its divisors is an integer number (279190951).

Almost surely, 21116245101 is an apocalyptic number.

It is an amenable number.

1116245101 is a deficient number, since it is larger than the sum of its proper divisors (518703).

1116245101 is an equidigital number, since it uses as much as digits as its factorization.

1116245101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518702.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 1116245101 is about 33410.2544288427. The cubic root of 1116245101 is about 1037.3369679666.

The spelling of 1116245101 in words is "one billion, one hundred sixteen million, two hundred forty-five thousand, one hundred one".

Divisors: 1 2161 516541 1116245101