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488400049091 is a prime number
BaseRepresentation
bin1110001101101101110…
…10010101001111000011
31201200122102212011002002
413012312322111033003
531000220403032331
61012211244014215
750200002630443
oct7066672251703
91650572764062
10488400049091
11179147105709
127a7a423136b
1337095b43cb6
14198d27c0123
15ca875859cb
hex71b6e953c3

488400049091 has 2 divisors, whose sum is σ = 488400049092. Its totient is φ = 488400049090.

The previous prime is 488400049073. The next prime is 488400049121. The reversal of 488400049091 is 190940004884.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-488400049091 is a prime.

It is not a weakly prime, because it can be changed into another prime (488400049391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 244200024545 + 244200024546.

It is an arithmetic number, because the mean of its divisors is an integer number (244200024546).

Almost surely, 2488400049091 is an apocalyptic number.

488400049091 is a deficient number, since it is larger than the sum of its proper divisors (1).

488400049091 is an equidigital number, since it uses as much as digits as its factorization.

488400049091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 47.

The spelling of 488400049091 in words is "four hundred eighty-eight billion, four hundred million, forty-nine thousand, ninety-one".