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49796990906 = 2134096776917
BaseRepresentation
bin101110011000001000…
…011100011110111010
311202112102211020111112
4232120020130132322
51303441012202111
634513150200322
73412005303335
oct563010343672
9152472736445
1049796990906
111a134115343
129798ab30a2
1349079a0bc0
1425a57a761c
151466b43e8b
hexb9821c7ba

49796990906 has 32 divisors (see below), whose sum is σ = 80768756880. Its totient is φ = 22889857536.

The previous prime is 49796990849. The next prime is 49796990917. The reversal of 49796990906 is 60909969794.

49796990906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 45223850281 + 4573140625 = 212659^2 + 67625^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7195760 + ... + 7202676.

Almost surely, 249796990906 is an apocalyptic number.

49796990906 is a deficient number, since it is larger than the sum of its proper divisors (30971765974).

49796990906 is a wasteful number, since it uses less digits than its factorization.

49796990906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8018.

The product of its (nonzero) digits is 59521392, while the sum is 68.

The spelling of 49796990906 in words is "forty-nine billion, seven hundred ninety-six million, nine hundred ninety thousand, nine hundred six".

Divisors: 1 2 13 26 409 677 818 1354 5317 6917 8801 10634 13834 17602 89921 179842 276893 553786 2829053 3599609 4682809 5658106 7199218 9365618 36777689 60876517 73555378 121753034 1915268881 3830537762 24898495453 49796990906