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49398721070 = 2531315782339
BaseRepresentation
bin101110000000011001…
…001010101000101110
311201111200102000222212
4232000121022220232
51302132033033240
634405442010422
73366101125646
oct560031125056
9151450360885
1049398721070
1119a4a321316
1296a7646a12
134873316c8a
142568933526
151441bc3165
hexb8064aa2e

49398721070 has 16 divisors (see below), whose sum is σ = 89201785680. Its totient is φ = 19696357824.

The previous prime is 49398721049. The next prime is 49398721121. The reversal of 49398721070 is 7012789394.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7888040 + ... + 7894299.

It is an arithmetic number, because the mean of its divisors is an integer number (5575111605).

Almost surely, 249398721070 is an apocalyptic number.

49398721070 is a deficient number, since it is larger than the sum of its proper divisors (39803064610).

49398721070 is a wasteful number, since it uses less digits than its factorization.

49398721070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15782659.

The product of its (nonzero) digits is 762048, while the sum is 50.

The spelling of 49398721070 in words is "forty-nine billion, three hundred ninety-eight million, seven hundred twenty-one thousand, seventy".

Divisors: 1 2 5 10 313 626 1565 3130 15782339 31564678 78911695 157823390 4939872107 9879744214 24699360535 49398721070