Search a number
-
+
49820478417 = 3219319398317
BaseRepresentation
bin101110011001100010…
…000010101111010001
311202121002000112022100
4232121202002233101
51304013020302132
634515345431013
73412412036133
oct563142025721
9152532015270
1049820478417
111a1463a7906
1297a493b469
13490c805838
1425a895d053
151468c3337c
hexb99882bd1

49820478417 has 24 divisors (see below), whose sum is σ = 78194005760. Its totient is φ = 30450543840.

The previous prime is 49820478401. The next prime is 49820478419. The reversal of 49820478417 is 71487402894.

49820478417 is a `hidden beast` number, since 498 + 20 + 47 + 84 + 17 = 666.

It is not a de Polignac number, because 49820478417 - 24 = 49820478401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49820478419) 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 23 ways as a sum of consecutive naturals, for example, 4693858 + ... + 4704459.

Almost surely, 249820478417 is an apocalyptic number.

It is an amenable number.

49820478417 is a deficient number, since it is larger than the sum of its proper divisors (28373527343).

49820478417 is a wasteful number, since it uses less digits than its factorization.

49820478417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9398373 (or 9398370 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 49820478417 in words is "forty-nine billion, eight hundred twenty million, four hundred seventy-eight thousand, four hundred seventeen".

Divisors: 1 3 9 19 31 57 93 171 279 589 1767 5301 9398317 28194951 84584853 178568023 291347827 535704069 874043481 1607112207 2622130443 5535608713 16606826139 49820478417