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2054155853 is a prime number
BaseRepresentation
bin111101001101111…
…1110111001001101
312022011020221002102
41322123332321031
513201330441403
6535455404445
7101622015401
oct17233767115
95264227072
102054155853
11964576772
12493b23725
13269759249
14156b55101
15c050db88
hex7a6fee4d

2054155853 has 2 divisors, whose sum is σ = 2054155854. Its totient is φ = 2054155852.

The previous prime is 2054155841. The next prime is 2054155861. The reversal of 2054155853 is 3585514502.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2026980484 + 27175369 = 45022^2 + 5213^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054155853 - 216 = 2054090317 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2054155253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1027077926 + 1027077927.

It is an arithmetic number, because the mean of its divisors is an integer number (1027077927).

Almost surely, 22054155853 is an apocalyptic number.

It is an amenable number.

2054155853 is a deficient number, since it is larger than the sum of its proper divisors (1).

2054155853 is an equidigital number, since it uses as much as digits as its factorization.

2054155853 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120000, while the sum is 38.

The square root of 2054155853 is about 45322.7961736696. The cubic root of 2054155853 is about 1271.1919396456.

The spelling of 2054155853 in words is "two billion, fifty-four million, one hundred fifty-five thousand, eight hundred fifty-three".