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49742344659 = 373431124197
BaseRepresentation
bin101110010100110111…
…111111000111010011
311202101121222220221110
4232110313333013103
51303333020012114
634503515024403
73410442645000
oct562467770723
9152347886843
1049742344659
111a106290857
12978273b103
1348c9579a47
14259c4208a7
151461e4c759
hexb94dff1d3

49742344659 has 32 divisors (see below), whose sum is σ = 79143539200. Its totient is φ = 27763144416.

The previous prime is 49742344643. The next prime is 49742344681. The reversal of 49742344659 is 95644324794.

It is not a de Polignac number, because 49742344659 - 24 = 49742344643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49742344599 and 49742344608.

It is not an unprimeable number, because it can be changed into a prime (49742344609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517852 + ... + 606345.

It is an arithmetic number, because the mean of its divisors is an integer number (2473235600).

Almost surely, 249742344659 is an apocalyptic number.

49742344659 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

49742344659 is a deficient number, since it is larger than the sum of its proper divisors (29401194541).

49742344659 is a wasteful number, since it uses less digits than its factorization.

49742344659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124264 (or 1124250 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 57.

The spelling of 49742344659 in words is "forty-nine billion, seven hundred forty-two million, three hundred forty-four thousand, six hundred fifty-nine".

Divisors: 1 3 7 21 43 49 129 147 301 343 903 1029 2107 6321 14749 44247 1124197 3372591 7869379 23608137 48340471 55085653 145021413 165256959 338383297 385599571 1015149891 1156798713 2368683079 7106049237 16580781553 49742344659