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49420379085 = 3572112555691
BaseRepresentation
bin101110000001101011…
…110010001111001101
311201120012011101012120
4232001223302033031
51302203104112320
634411534123153
73366453201600
oct560153621715
9151505141176
1049420379085
1119a60574300
1296b29504b9
13487795ac7c
14256b770337
151443a50440
hexb81af23cd

49420379085 has 72 divisors (see below), whose sum is σ = 101104825248. Its totient is φ = 20538302400.

The previous prime is 49420379083. The next prime is 49420379111. The reversal of 49420379085 is 58097302494.

It is not a de Polignac number, because 49420379085 - 21 = 49420379083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49420379083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 188911 + ... + 366780.

It is an arithmetic number, because the mean of its divisors is an integer number (1404233684).

Almost surely, 249420379085 is an apocalyptic number.

It is an amenable number.

49420379085 is an abundant number, since it is smaller than the sum of its proper divisors (51684446163).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49420379085 is a wasteful number, since it uses less digits than its factorization.

49420379085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555735 (or 555717 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 49420379085 in words is "forty-nine billion, four hundred twenty million, three hundred seventy-nine thousand, eighty-five".

Divisors: 1 3 5 7 11 15 21 33 35 49 55 77 105 121 147 165 231 245 363 385 539 605 735 847 1155 1617 1815 2541 2695 4235 5929 8085 12705 17787 29645 88935 555691 1667073 2778455 3889837 6112601 8335365 11669511 18337803 19449185 27228859 30563005 42788207 58347555 67238611 81686577 91689015 128364621 136144295 201715833 213941035 299517449 336193055 408432885 470670277 641823105 898552347 1008579165 1412010831 1497587245 2353351385 3294691939 4492761735 7060054155 9884075817 16473459695 49420379085