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49491367401 = 377337798543
BaseRepresentation
bin101110000101111010…
…100101010111101001
311201202010201221212110
4232011322211113221
51302324242224101
634422551432533
73401304452610
oct560572452751
9151663657773
1049491367401
1119a9764a933
129712685749
1348895845a8
142576d6c877
151449dc3cd6
hexb85ea55e9

49491367401 has 32 divisors (see below), whose sum is σ = 76477685760. Its totient is φ = 27882728064.

The previous prime is 49491367391. The next prime is 49491367427. The reversal of 49491367401 is 10476319494.

It is not a de Polignac number, because 49491367401 - 25 = 49491367369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49491367901) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5788936 + ... + 5797478.

It is an arithmetic number, because the mean of its divisors is an integer number (2389927680).

Almost surely, 249491367401 is an apocalyptic number.

It is an amenable number.

49491367401 is a deficient number, since it is larger than the sum of its proper divisors (26986318359).

49491367401 is a wasteful number, since it uses less digits than its factorization.

49491367401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12405.

The product of its (nonzero) digits is 653184, while the sum is 48.

The spelling of 49491367401 in words is "forty-nine billion, four hundred ninety-one million, three hundred sixty-seven thousand, four hundred one".

Divisors: 1 3 7 21 73 219 511 1533 3779 8543 11337 25629 26453 59801 79359 179403 275867 623639 827601 1870917 1931069 4365473 5793207 13096419 32283997 96851991 225987979 677963937 2356731781 7070195343 16497122467 49491367401