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2100083551 = 3975289883
BaseRepresentation
bin111110100101100…
…1011101101011111
312102100200022001021
41331023023231133
513300110133201
6544220025011
7103020262366
oct17513135537
95370608037
102100083551
11988495945
124a7392167
13276119bb7
1415ccac7dd
15c4581ea1
hex7d2cbb5f

2100083551 has 4 divisors (see below), whose sum is σ = 2105373832. Its totient is φ = 2094793272.

The previous prime is 2100083537. The next prime is 2100083581. The reversal of 2100083551 is 1553800012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2100083551 - 29 = 2100083039 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 (2100083581) 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, 2644545 + ... + 2645338.

It is an arithmetic number, because the mean of its divisors is an integer number (526343458).

Almost surely, 22100083551 is an apocalyptic number.

2100083551 is a deficient number, since it is larger than the sum of its proper divisors (5290281).

2100083551 is an equidigital number, since it uses as much as digits as its factorization.

2100083551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290280.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 2100083551 is about 45826.6685566385. The cubic root of 2100083551 is about 1280.5961478845.

Adding to 2100083551 its reverse (1553800012), we get a palindrome (3653883563).

The spelling of 2100083551 in words is "two billion, one hundred million, eighty-three thousand, five hundred fifty-one".

Divisors: 1 397 5289883 2100083551