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BaseRepresentation
bin101110010101100000…
…111011100101000001
311202102101012020102121
4232111200323211001
51303343241444311
634504541044241
73410633120530
oct562540734501
9152371166377
1049753078081
111a111351a53
129786256681
1348cb867395
14259da16317
151462d6cb71
hexb9583b941

49753078081 has 8 divisors (see below), whose sum is σ = 56979371520. Its totient is φ = 42556462368.

The previous prime is 49753078043. The next prime is 49753078127. The reversal of 49753078081 is 18087035794.

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

It is not a de Polignac number, because 49753078081 - 223 = 49744689473 is a prime.

It is a super-2 number, since 2×497530780812 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49753078021) 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 7 ways as a sum of consecutive naturals, for example, 7415836 + ... + 7422541.

It is an arithmetic number, because the mean of its divisors is an integer number (7122421440).

Almost surely, 249753078081 is an apocalyptic number.

It is an amenable number.

49753078081 is a deficient number, since it is larger than the sum of its proper divisors (7226293439).

49753078081 is a wasteful number, since it uses less digits than its factorization.

49753078081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14838863.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 49753078081 in words is "forty-nine billion, seven hundred fifty-three million, seventy-eight thousand, eighty-one".