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49796061919 = 153271324889
BaseRepresentation
bin101110011000000100…
…111001101011011111
311202112101002001011121
4232120010321223133
51303440242440134
634513114231411
73411664354042
oct563004715337
9152471061147
1049796061919
111a13364038a
129798725567
1349077370c6
1425a5604c59
151466a0dab4
hexb98139adf

49796061919 has 4 divisors (see below), whose sum is σ = 49796540080. Its totient is φ = 49795583760.

The previous prime is 49796061829. The next prime is 49796061943. The reversal of 49796061919 is 91916069794.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 49796061919 - 29 = 49796061407 is a prime.

It is a super-2 number, since 2×497960619192 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49796061719) 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, 9174 + ... + 315715.

It is an arithmetic number, because the mean of its divisors is an integer number (12449135020).

Almost surely, 249796061919 is an apocalyptic number.

49796061919 is a deficient number, since it is larger than the sum of its proper divisors (478161).

49796061919 is a wasteful number, since it uses less digits than its factorization.

49796061919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478160.

The product of its (nonzero) digits is 6613488, while the sum is 61.

The spelling of 49796061919 in words is "forty-nine billion, seven hundred ninety-six million, sixty-one thousand, nine hundred nineteen".

Divisors: 1 153271 324889 49796061919