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49988197441 = 7133607152293
BaseRepresentation
bin101110100011100001…
…110101110001000001
311210000202121112120001
4232203201311301001
51304333434304231
634544140320001
73416516444650
oct564341656101
9153022545501
1049988197441
111a222041676
129830b43001
134938499870
1425c2d3b197
151478812b61
hexba3875c41

49988197441 has 16 divisors (see below), whose sum is σ = 61541396224. Its totient is φ = 39539876544.

The previous prime is 49988197439. The next prime is 49988197471. The reversal of 49988197441 is 14479188994.

It is not a de Polignac number, because 49988197441 - 21 = 49988197439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49988197471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252091 + ... + 404383.

It is an arithmetic number, because the mean of its divisors is an integer number (3846337264).

Almost surely, 249988197441 is an apocalyptic number.

It is an amenable number.

49988197441 is a deficient number, since it is larger than the sum of its proper divisors (11553198783).

49988197441 is a wasteful number, since it uses less digits than its factorization.

49988197441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155920.

The product of its digits is 20901888, while the sum is 64.

The spelling of 49988197441 in words is "forty-nine billion, nine hundred eighty-eight million, one hundred ninety-seven thousand, four hundred forty-one".

Divisors: 1 7 13 91 3607 25249 46891 152293 328237 1066051 1979809 13858663 549320851 3845245957 7141171063 49988197441