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5056556249 is a prime number
BaseRepresentation
bin1001011010110010…
…01110110011011001
3111001101210200011002
410231121032303121
540323434244444
62153431314345
7236210006333
oct45531166331
914041720132
105056556249
112165326608
12b9151b9b5
136277a1224
1435d7c4453
151e8dc8d4e
hex12d64ecd9

5056556249 has 2 divisors, whose sum is σ = 5056556250. Its totient is φ = 5056556248.

The previous prime is 5056556191. The next prime is 5056556251. The reversal of 5056556249 is 9426556505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3368989849 + 1687566400 = 58043^2 + 41080^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5056556249 is a prime.

It is a super-2 number, since 2×50565562492 = 51137522198601900002, which contains 22 as substring.

Together with 5056556251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5056556299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528278124 + 2528278125.

It is an arithmetic number, because the mean of its divisors is an integer number (2528278125).

Almost surely, 25056556249 is an apocalyptic number.

It is an amenable number.

5056556249 is a deficient number, since it is larger than the sum of its proper divisors (1).

5056556249 is an equidigital number, since it uses as much as digits as its factorization.

5056556249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The square root of 5056556249 is about 71109.4666623228. The cubic root of 5056556249 is about 1716.3991108994.

The spelling of 5056556249 in words is "five billion, fifty-six million, five hundred fifty-six thousand, two hundred forty-nine".