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2105453055 = 35599372539
BaseRepresentation
bin111110101111110…
…1010100111111111
312102201210002121210
41331133222213333
513302443444210
6544531055503
7103114025046
oct17537524777
95381702553
102105453055
11990523052
124a9141593
13277279c14
1415d8a955d
15c4c92e20
hex7d7ea9ff

2105453055 has 32 divisors (see below), whose sum is σ = 3430828800. Its totient is φ = 1102263552.

The previous prime is 2105453029. The next prime is 2105453059. The reversal of 2105453055 is 5503545012.

It is a happy number.

It is not a de Polignac number, because 2105453055 - 26 = 2105452991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105453059) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 827976 + ... + 830514.

It is an arithmetic number, because the mean of its divisors is an integer number (107213400).

Almost surely, 22105453055 is an apocalyptic number.

2105453055 is a deficient number, since it is larger than the sum of its proper divisors (1325375745).

2105453055 is a wasteful number, since it uses less digits than its factorization.

2105453055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 2105453055 is about 45885.2160831787. The cubic root of 2105453055 is about 1281.6866305475.

Adding to 2105453055 its reverse (5503545012), we get a palindrome (7608998067).

The spelling of 2105453055 in words is "two billion, one hundred five million, four hundred fifty-three thousand, fifty-five".

Divisors: 1 3 5 15 59 177 295 885 937 2539 2811 4685 7617 12695 14055 38085 55283 149801 165849 276415 449403 749005 829245 2247015 2379043 7137129 11895215 35685645 140363537 421090611 701817685 2105453055