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2205451101 = 37105021481
BaseRepresentation
bin1000001101110100…
…1000001101011101
312200200221112011010
42003131020031131
514004043413401
61002502245433
7105440011410
oct20335101535
95620845133
102205451101
11a31a13067
12516726879
13291bbc869
1416cc99b77
15cd946ed6
hex8374835d

2205451101 has 8 divisors (see below), whose sum is σ = 3360687424. Its totient is φ = 1260257760.

The previous prime is 2205451091. The next prime is 2205451111. The reversal of 2205451101 is 1011545022.

It is an interprime number because it is at equal distance from previous prime (2205451091) and next prime (2205451111).

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

It is not a de Polignac number, because 2205451101 - 211 = 2205449053 is a prime.

It is a super-2 number, since 2×22054511012 = 9728029117804224402, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 105021481 = 2205451101 / (2 + 2 + 0 + 5 + 4 + 5 + 1 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205451111) 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, 52510720 + ... + 52510761.

It is an arithmetic number, because the mean of its divisors is an integer number (420085928).

Almost surely, 22205451101 is an apocalyptic number.

2205451101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2205451101 is a deficient number, since it is larger than the sum of its proper divisors (1155236323).

2205451101 is a wasteful number, since it uses less digits than its factorization.

2205451101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105021491.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2205451101 is about 46962.2305794774. The cubic root of 2205451101 is about 1301.6647510733.

Adding to 2205451101 its reverse (1011545022), we get a palindrome (3216996123).

The spelling of 2205451101 in words is "two billion, two hundred five million, four hundred fifty-one thousand, one hundred one".

Divisors: 1 3 7 21 105021481 315064443 735150367 2205451101