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49513221437 = 195944168797
BaseRepresentation
bin101110000111001101…
…111100110100111101
311201210122212020222012
4232013031330310331
51302400341041222
634425052101005
73401661303161
oct560715746475
9151718766865
1049513221437
1119aa8a17119
129719a64765
134890c66884
142579c1aca1
15144bc8e1e2
hexb8737cd3d

49513221437 has 8 divisors (see below), whose sum is σ = 53002557600. Its totient is φ = 46112223024.

The previous prime is 49513221419. The next prime is 49513221467. The reversal of 49513221437 is 73412231594.

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 49513221437 - 210 = 49513220413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49513221394 and 49513221403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49513221467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22083278 + ... + 22085519.

It is an arithmetic number, because the mean of its divisors is an integer number (6625319700).

Almost surely, 249513221437 is an apocalyptic number.

It is an amenable number.

49513221437 is a deficient number, since it is larger than the sum of its proper divisors (3489336163).

49513221437 is a wasteful number, since it uses less digits than its factorization.

49513221437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44168875.

The product of its digits is 181440, while the sum is 41.

The spelling of 49513221437 in words is "forty-nine billion, five hundred thirteen million, two hundred twenty-one thousand, four hundred thirty-seven".

Divisors: 1 19 59 1121 44168797 839207143 2605959023 49513221437