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49480754657 = 232151337159
BaseRepresentation
bin101110000101010010…
…000110010111100001
311201201101202202220212
4232011102012113201
51302314033122112
634421532143505
73401115321635
oct560522062741
9151641682825
1049480754657
1119a91661374
12970b007b95
134887309b69
1425757a8dc5
151448ec9522
hexb854865e1

49480754657 has 4 divisors (see below), whose sum is σ = 51632091840. Its totient is φ = 47329417476.

The previous prime is 49480754647. The next prime is 49480754669. The reversal of 49480754657 is 75645708494.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49480754657 - 214 = 49480738273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49480754596 and 49480754605.

It is not an unprimeable number, because it can be changed into a prime (49480754647) 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, 1075668557 + ... + 1075668602.

It is an arithmetic number, because the mean of its divisors is an integer number (12908022960).

Almost surely, 249480754657 is an apocalyptic number.

It is an amenable number.

49480754657 is a deficient number, since it is larger than the sum of its proper divisors (2151337183).

49480754657 is a wasteful number, since it uses less digits than its factorization.

49480754657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151337182.

The product of its (nonzero) digits is 33868800, while the sum is 59.

The spelling of 49480754657 in words is "forty-nine billion, four hundred eighty million, seven hundred fifty-four thousand, six hundred fifty-seven".

Divisors: 1 23 2151337159 49480754657