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2554665101 is a prime number
BaseRepresentation
bin1001100001000101…
…0001100010001101
320121001001102200222
42120101101202031
520212443240401
61101255201125
7120210203132
oct23021214215
96531042628
102554665101
1110a105077a
125b36761a5
1331935c071
141a3400589
15ee427c1b
hex9845188d

2554665101 has 2 divisors, whose sum is σ = 2554665102. Its totient is φ = 2554665100.

The previous prime is 2554665097. The next prime is 2554665103. The reversal of 2554665101 is 1015664552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1868487076 + 686178025 = 43226^2 + 26195^2 .

It is a cyclic number.

It is not a de Polignac number, because 2554665101 - 22 = 2554665097 is a prime.

Together with 2554665103, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2554665103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277332550 + 1277332551.

It is an arithmetic number, because the mean of its divisors is an integer number (1277332551).

Almost surely, 22554665101 is an apocalyptic number.

It is an amenable number.

2554665101 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554665101 is an equidigital number, since it uses as much as digits as its factorization.

2554665101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 2554665101 is about 50543.6949678197. The cubic root of 2554665101 is about 1367.0298309582.

The spelling of 2554665101 in words is "two billion, five hundred fifty-four million, six hundred sixty-five thousand, one hundred one".