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49130662309 is a prime number
BaseRepresentation
bin101101110000011010…
…100110100110100101
311200211000000020111121
4231300122212212211
51301104422143214
634323104333541
73356334511351
oct556032464645
9150730006447
1049130662309
1119921a83853
1296319142b1
13482c920921
1425410b6461
1514283c3424
hexb706a69a5

49130662309 has 2 divisors, whose sum is σ = 49130662310. Its totient is φ = 49130662308.

The previous prime is 49130662307. The next prime is 49130662381. The reversal of 49130662309 is 90326603194.

49130662309 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43983317284 + 5147345025 = 209722^2 + 71745^2 .

It is a cyclic number.

It is not a de Polignac number, because 49130662309 - 21 = 49130662307 is a prime.

It is a super-2 number, since 2×491306623092 (a number of 22 digits) contains 22 as substring.

Together with 49130662307, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49130662307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24565331154 + 24565331155.

It is an arithmetic number, because the mean of its divisors is an integer number (24565331155).

Almost surely, 249130662309 is an apocalyptic number.

It is an amenable number.

49130662309 is a deficient number, since it is larger than the sum of its proper divisors (1).

49130662309 is an equidigital number, since it uses as much as digits as its factorization.

49130662309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 43.

The spelling of 49130662309 in words is "forty-nine billion, one hundred thirty million, six hundred sixty-two thousand, three hundred nine".