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49489674949 = 11131796013217
BaseRepresentation
bin101110000101110100…
…001000001011000101
311201202000112222021001
4232011310020023011
51302323324044244
634422451253301
73401254203421
oct560564101305
9151660488231
1049489674949
1119a966a4310
129711baa231
134889111140
142576a4bb81
151449b8c5d4
hexb85d082c5

49489674949 has 32 divisors (see below), whose sum is σ = 58582016640. Its totient is φ = 41216256000.

The previous prime is 49489674917. The next prime is 49489674973. The reversal of 49489674949 is 94947698494.

It is a cyclic number.

It is not a de Polignac number, because 49489674949 - 25 = 49489674917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49489674349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15382189 + ... + 15385405.

It is an arithmetic number, because the mean of its divisors is an integer number (1830688020).

Almost surely, 249489674949 is an apocalyptic number.

It is an amenable number.

49489674949 is a deficient number, since it is larger than the sum of its proper divisors (9092341691).

49489674949 is a wasteful number, since it uses less digits than its factorization.

49489674949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4021.

The product of its digits is 564350976, while the sum is 73.

The spelling of 49489674949 in words is "forty-nine billion, four hundred eighty-nine million, six hundred seventy-four thousand, nine hundred forty-nine".

Divisors: 1 11 13 143 179 601 1969 2327 3217 6611 7813 25597 35387 41821 85943 107579 460031 575843 1183369 1398527 1933417 6334273 7485959 15383797 21267587 25134421 82345549 276478631 346081643 3806898073 4499061359 49489674949