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49842790972 = 22131954792227
BaseRepresentation
bin101110011010110111…
…001010001000111100
311202122122000010101021
4232122313022020330
51304034223302342
634521503553524
73413102506252
oct563267121074
9152578003337
1049842790972
111a157a57637
1297b02bb8a4
134914318730
1425ab8ca5d2
15146ab8e567
hexb9adca23c

49842790972 has 48 divisors (see below), whose sum is σ = 99060250240. Its totient is φ = 21753531072.

The previous prime is 49842790937. The next prime is 49842790973. The reversal of 49842790972 is 27909724894.

It is a self number, because there is not a number n which added to its sum of digits gives 49842790972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49842790973) 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 15 ways as a sum of consecutive naturals, for example, 494323 + ... + 586549.

Almost surely, 249842790972 is an apocalyptic number.

It is an amenable number.

49842790972 is a deficient number, since it is larger than the sum of its proper divisors (49217459268).

49842790972 is a wasteful number, since it uses less digits than its factorization.

49842790972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92810 (or 92808 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 49842790972 in words is "forty-nine billion, eight hundred forty-two million, seven hundred ninety thousand, nine hundred seventy-two".

Divisors: 1 2 4 13 19 26 38 52 76 247 494 547 988 1094 2188 7111 10393 14222 20786 28444 41572 92227 135109 184454 270218 368908 540436 1198951 1752313 2397902 3504626 4795804 7009252 22780069 45560138 50448169 91120276 100896338 201792676 655826197 958515211 1311652394 1917030422 2623304788 3834060844 12460697743 24921395486 49842790972