Search a number
-
+
427950975445 = 5779154774313
BaseRepresentation
bin1100011101000111101…
…11011010100111010101
31111220121122021001002121
412032203313122213111
524002420422203240
6524333054335541
742630011162230
oct6164367324725
91456548231077
10427950975445
11155547194a04
126ab33aba5b1
1331481352976
14169da430417
15b1ea6c904a
hex63a3dda9d5

427950975445 has 16 divisors (see below), whose sum is σ = 594333365760. Its totient is φ = 289737512064.

The previous prime is 427950975433. The next prime is 427950975521. The reversal of 427950975445 is 544579059724.

It is not a de Polignac number, because 427950975445 - 215 = 427950942677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77384392 + ... + 77389921.

It is an arithmetic number, because the mean of its divisors is an integer number (37145835360).

Almost surely, 2427950975445 is an apocalyptic number.

It is an amenable number.

427950975445 is a deficient number, since it is larger than the sum of its proper divisors (166382390315).

427950975445 is a wasteful number, since it uses less digits than its factorization.

427950975445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154774404.

The product of its (nonzero) digits is 63504000, while the sum is 61.

The spelling of 427950975445 in words is "four hundred twenty-seven billion, nine hundred fifty million, nine hundred seventy-five thousand, four hundred forty-five".

Divisors: 1 5 7 35 79 395 553 2765 154774313 773871565 1083420191 5417100955 12227170727 61135853635 85590195089 427950975445