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49708379431 is a prime number
BaseRepresentation
bin101110010010110110…
…011010110100100111
311202022021002022102001
4232102312122310213
51303300321120211
634500303030131
73406551153004
oct562266326447
9152267068361
1049708379431
111a0990a2217
12977329b347
1348c2516c89
142597adc8ab
15145de8dac1
hexb92d9ad27

49708379431 has 2 divisors, whose sum is σ = 49708379432. Its totient is φ = 49708379430.

The previous prime is 49708379387. The next prime is 49708379471. The reversal of 49708379431 is 13497380794.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49708379431 - 29 = 49708378919 is a prime.

It is a super-2 number, since 2×497083794312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49708379471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24854189715 + 24854189716.

It is an arithmetic number, because the mean of its divisors is an integer number (24854189716).

Almost surely, 249708379431 is an apocalyptic number.

49708379431 is a deficient number, since it is larger than the sum of its proper divisors (1).

49708379431 is an equidigital number, since it uses as much as digits as its factorization.

49708379431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 55.

The spelling of 49708379431 in words is "forty-nine billion, seven hundred eight million, three hundred seventy-nine thousand, four hundred thirty-one".