Search a number
-
+
49493909089 = 172199860599
BaseRepresentation
bin101110000110000100…
…010001111001100001
311201202022112002102001
4232012010101321201
51302330420042324
634423122124001
73401335200022
oct560604217141
9151668462361
1049493909089
1119a990264a9
1297134b0601
134889c64451
142577430c49
15144a226e44
hexb86111e61

49493909089 has 12 divisors (see below), whose sum is σ = 52840840000. Its totient is φ = 46348365888.

The previous prime is 49493909057. The next prime is 49493909119. The reversal of 49493909089 is 98090939494.

It is not a de Polignac number, because 49493909089 - 25 = 49493909057 is a prime.

It is a hoax number, since the sum of its digits (64) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49493909089.

It is not an unprimeable number, because it can be changed into a prime (49493909009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372789 + ... + 487810.

Almost surely, 249493909089 is an apocalyptic number.

It is an amenable number.

49493909089 is a deficient number, since it is larger than the sum of its proper divisors (3346930911).

49493909089 is a wasteful number, since it uses less digits than its factorization.

49493909089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860832 (or 860815 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 64.

The spelling of 49493909089 in words is "forty-nine billion, four hundred ninety-three million, nine hundred nine thousand, eighty-nine".

Divisors: 1 17 199 289 3383 57511 860599 14630183 171259201 248713111 2911406417 49493909089