Search a number
-
+
54779838002 = 235924612
BaseRepresentation
bin110011000001001000…
…011111111000110010
312020101200221002200222
4303001020133320302
51344142114304002
641055430013042
73646331640341
oct630110377062
9166350832628
1054779838002
112126087709a
12a7497a7182
135220105236
142919481b58
15165930d1a2
hexcc121fe32

54779838002 has 18 divisors (see below), whose sum is σ = 82578407709. Its totient is φ = 27254375320.

The previous prime is 54779837899. The next prime is 54779838023. The reversal of 54779838002 is 20083897745.

It can be written as a sum of positive squares in 2 ways, for example, as 52954754161 + 1825083841 = 230119^2 + 42721^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=165499.

It is a Duffinian number.

It is an unprimeable number.

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 8 ways as a sum of consecutive naturals, for example, 118828052 + ... + 118828512.

Almost surely, 254779838002 is an apocalyptic number.

54779838002 is a deficient number, since it is larger than the sum of its proper divisors (27798569707).

54779838002 is an frugal number, since it uses more digits than its factorization.

54779838002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 53.

The spelling of 54779838002 in words is "fifty-four billion, seven hundred seventy-nine million, eight hundred thirty-eight thousand, two".

Divisors: 1 2 359 461 718 922 128881 165499 212521 257762 330998 425042 59414141 76295039 118828282 152590078 27389919001 54779838002