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49441025669 = 7373139439
BaseRepresentation
bin101110000010111010…
…100010111010000101
311201121122000022222212
4232002322202322011
51302223400310134
634413552433205
73400123532660
oct560272427205
9151548008885
1049441025669
1119a711963a2
1296b9848805
13487c009799
1425703c66d7
15144577cbce
hexb82ea2e85

49441025669 has 16 divisors (see below), whose sum is σ = 58073971200. Its totient is φ = 41232374352.

The previous prime is 49441025657. The next prime is 49441025671. The reversal of 49441025669 is 96652014494.

It is not a de Polignac number, because 49441025669 - 216 = 49440960133 is a prime.

It is a super-3 number, since 3×494410256693 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49441025069) 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 15 ways as a sum of consecutive naturals, for example, 284852 + ... + 424290.

It is an arithmetic number, because the mean of its divisors is an integer number (3629623200).

Almost surely, 249441025669 is an apocalyptic number.

It is an amenable number.

49441025669 is a deficient number, since it is larger than the sum of its proper divisors (8632945531).

49441025669 is an frugal number, since it uses more digits than its factorization.

49441025669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139557 (or 139483 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 50.

The spelling of 49441025669 in words is "forty-nine billion, four hundred forty-one million, twenty-five thousand, six hundred sixty-nine".

Divisors: 1 7 37 259 1369 9583 50653 139439 354571 976073 5159243 36114701 190891991 1336243937 7063003667 49441025669