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48930985451 = 199313785573
BaseRepresentation
bin101101100100100000…
…111001010111101011
311200022002021121100102
4231210200321113223
51300202313013301
634251212500015
73351361341155
oct554440712753
9150262247312
1048930985451
111982a2a1657
129596a7a60b
1347ca44a73a
142522779ad5
151415aceb6b
hexb648395eb

48930985451 has 8 divisors (see below), whose sum is σ = 49334047200. Its totient is φ = 48529495872.

The previous prime is 48930985447. The next prime is 48930985507. The reversal of 48930985451 is 15458903984.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48930985451 - 22 = 48930985447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48930988451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330500 + ... + 455073.

It is an arithmetic number, because the mean of its divisors is an integer number (6166755900).

Almost surely, 248930985451 is an apocalyptic number.

48930985451 is a deficient number, since it is larger than the sum of its proper divisors (403061749).

48930985451 is a wasteful number, since it uses less digits than its factorization.

48930985451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786085.

The product of its (nonzero) digits is 6220800, while the sum is 56.

The spelling of 48930985451 in words is "forty-eight billion, nine hundred thirty million, nine hundred eighty-five thousand, four hundred fifty-one".

Divisors: 1 199 313 62287 785573 156329027 245884349 48930985451