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6385404080257 = 1723532963103993
BaseRepresentation
bin101110011101011011110…
…1111011111000010000001
3211121102211210022101002221
41130322313233133002001
51314104301421032012
621325225242011041
71226221160100256
oct134726757370201
924542753271087
106385404080257
112042042155264
1287164aaa6a81
133741aaa91927
141810ab6b542d
15b1174289507
hex5ceb7bdf081

6385404080257 has 32 divisors (see below), whose sum is σ = 7190581102848. Its totient is φ = 5638076860416.

The previous prime is 6385404080239. The next prime is 6385404080267. The reversal of 6385404080257 is 7520804045836.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-6385404080257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6385404080267) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61350253 + ... + 61454245.

It is an arithmetic number, because the mean of its divisors is an integer number (224705659464).

Almost surely, 26385404080257 is an apocalyptic number.

It is an amenable number.

6385404080257 is a deficient number, since it is larger than the sum of its proper divisors (805177022591).

6385404080257 is a wasteful number, since it uses less digits than its factorization.

6385404080257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107049.

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 6385404080257 in words is "six trillion, three hundred eighty-five billion, four hundred four million, eighty thousand, two hundred fifty-seven".

Divisors: 1 17 23 53 391 901 1219 2963 20723 50371 68149 103993 157039 1158533 1767881 2391839 2669663 3611897 5511629 40661263 61402249 93697693 126767467 308131259 2155046939 5238231403 7087018957 16330956727 120479322269 277626264359 375612004721 6385404080257