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2102055433 = 3756812309
BaseRepresentation
bin111110101001010…
…1101001000001001
312102111101110221221
41331102231020021
513301111233213
6544330202041
7103043114332
oct17522551011
95374343857
102102055433
119896123a5
124a7b83321
1327665a5aa
1415d263289
15c482138d
hex7d4ad209

2102055433 has 4 divisors (see below), whose sum is σ = 2158867780. Its totient is φ = 2045243088.

The previous prime is 2102055421. The next prime is 2102055451. The reversal of 2102055433 is 3345502012.

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 1506060864 + 595994569 = 38808^2 + 24413^2 .

It is a cyclic number.

It is not a de Polignac number, because 2102055433 - 29 = 2102054921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2102055398 and 2102055407.

It is not an unprimeable number, because it can be changed into a prime (2102055413) 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, 28406118 + ... + 28406191.

It is an arithmetic number, because the mean of its divisors is an integer number (539716945).

Almost surely, 22102055433 is an apocalyptic number.

It is an amenable number.

2102055433 is a deficient number, since it is larger than the sum of its proper divisors (56812347).

2102055433 is an equidigital number, since it uses as much as digits as its factorization.

2102055433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56812346.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2102055433 is about 45848.1780772148. The cubic root of 2102055433 is about 1280.9968294923.

Adding to 2102055433 its reverse (3345502012), we get a palindrome (5447557445).

The spelling of 2102055433 in words is "two billion, one hundred two million, fifty-five thousand, four hundred thirty-three".

Divisors: 1 37 56812309 2102055433