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49621122947 = 11371011207121
BaseRepresentation
bin101110001101101001…
…100011111110000011
311202002011220020000102
4232031221203332003
51303111001413242
634443504513015
73404441404634
oct561551437603
9152064806012
1049621122947
111a053915120
12974a01b76b
1348aa415a16
14258a2a788b
1514564a4e32
hexb8da63f83

49621122947 has 16 divisors (see below), whose sum is σ = 56145658464. Its totient is φ = 43456320000.

The previous prime is 49621122937. The next prime is 49621122961. The reversal of 49621122947 is 74922112694.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 49621122947 - 212 = 49621118851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49621122937) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 562454 + ... + 644667.

It is an arithmetic number, because the mean of its divisors is an integer number (3509103654).

Almost surely, 249621122947 is an apocalyptic number.

49621122947 is a deficient number, since it is larger than the sum of its proper divisors (6524535517).

49621122947 is a wasteful number, since it uses less digits than its factorization.

49621122947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207270.

The product of its digits is 435456, while the sum is 47.

The spelling of 49621122947 in words is "forty-nine billion, six hundred twenty-one million, one hundred twenty-two thousand, nine hundred forty-seven".

Divisors: 1 11 37 101 407 1111 3737 41107 1207121 13278331 44663477 121919221 491298247 1341111431 4511011177 49621122947