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49504853987 = 257192625891
BaseRepresentation
bin101110000110101110…
…000001111111100011
311201210002010010222122
4232012232001333203
51302341220311422
634424152454455
73401530213241
oct560656017743
9151702103878
1049504853987
1119aa4221576
1297170aa42b
13488c2c7114
142578a7d791
15144b189d42
hexb86b81fe3

49504853987 has 4 divisors (see below), whose sum is σ = 49697480136. Its totient is φ = 49312227840.

The previous prime is 49504853977. The next prime is 49504854001. The reversal of 49504853987 is 78935840594.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49504853987 - 232 = 45209886691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49504853977) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96312689 + ... + 96313202.

It is an arithmetic number, because the mean of its divisors is an integer number (12424370034).

Almost surely, 249504853987 is an apocalyptic number.

49504853987 is a deficient number, since it is larger than the sum of its proper divisors (192626149).

49504853987 is a wasteful number, since it uses less digits than its factorization.

49504853987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192626148.

The product of its (nonzero) digits is 43545600, while the sum is 62.

The spelling of 49504853987 in words is "forty-nine billion, five hundred four million, eight hundred fifty-three thousand, nine hundred eighty-seven".

Divisors: 1 257 192625891 49504853987