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49662486993 = 3773233257541
BaseRepresentation
bin101110010000000111…
…010110100111010001
311202012001201201211010
4232100013112213101
51303202044040433
634451543241133
73405453113550
oct562007264721
9152161651733
1049662486993
111a0751a7589
12975ba491a9
1348b5b693a2
142591993d97
151459e25e63
hexb901d69d1

49662486993 has 64 divisors (see below), whose sum is σ = 77484805632. Its totient is φ = 27709931520.

The previous prime is 49662486989. The next prime is 49662486997. The reversal of 49662486993 is 39968426694.

It is an interprime number because it is at equal distance from previous prime (49662486989) and next prime (49662486997).

It is not a de Polignac number, because 49662486993 - 22 = 49662486989 is a prime.

It is a super-2 number, since 2×496624869932 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49662486997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 91797303 + ... + 91797843.

It is an arithmetic number, because the mean of its divisors is an integer number (1210700088).

Almost surely, 249662486993 is an apocalyptic number.

It is an amenable number.

49662486993 is a deficient number, since it is larger than the sum of its proper divisors (27822318639).

49662486993 is a wasteful number, since it uses less digits than its factorization.

49662486993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114.

The product of its digits is 120932352, while the sum is 66.

The spelling of 49662486993 in words is "forty-nine billion, six hundred sixty-two million, four hundred eighty-six thousand, nine hundred ninety-three".

Divisors: 1 3 7 21 73 219 233 257 511 541 699 771 1533 1623 1631 1799 3787 4893 5397 11361 17009 18761 39493 51027 56283 59881 118479 119063 126053 131327 139037 179643 276451 357189 378159 393981 417111 419167 829353 882371 973259 1257501 2647113 2919777 4371313 9201869 10149701 13113939 27605607 30449103 30599191 32395621 64413083 71047907 91797573 97186863 193239249 213143721 226769347 680308041 2364880333 7094640999 16554162331 49662486993