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49791555372 = 223132238310303
BaseRepresentation
bin101110010111110011…
…101101011100101100
311202112001121002100110
4232113303231130230
51303433114232442
634512433500020
73411611144316
oct562763553454
9152461532313
1049791555372
111a131042569
129797111610
134906819b00
1425a4b907b6
15146641d69c
hexb97ced72c

49791555372 has 72 divisors (see below), whose sum is σ = 125869707264. Its totient is φ = 15312563136.

The previous prime is 49791555347. The next prime is 49791555403. The reversal of 49791555372 is 27355519794.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4827573 + ... + 4837875.

Almost surely, 249791555372 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49791555372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62934853632).

49791555372 is an abundant number, since it is smaller than the sum of its proper divisors (76078151892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49791555372 is a wasteful number, since it uses less digits than its factorization.

49791555372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12719 (or 12704 counting only the distinct ones).

The product of its digits is 11907000, while the sum is 57.

The spelling of 49791555372 in words is "forty-nine billion, seven hundred ninety-one million, five hundred fifty-five thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 169 338 507 676 1014 2028 2383 4766 7149 9532 10303 14298 20606 28596 30909 30979 41212 61818 61958 92937 123636 123916 133939 185874 267878 371748 401817 402727 535756 803634 805454 1208181 1607268 1610908 1741207 2416362 3482414 4832724 5223621 6964828 10447242 20894484 24552049 49104098 73656147 98208196 147312294 294624588 319176637 638353274 957529911 1276706548 1915059822 3830119644 4149296281 8298592562 12447888843 16597185124 24895777686 49791555372