Search a number
-
+
55050616146145 = 5311970631802293
BaseRepresentation
bin11001000010001011110000…
…11010111000100011100001
321012220210021002111000210111
430201011320122320203201
524203422130213134040
6313025523125331321
714411163405343414
oct1441057032704341
9235823232430714
1055050616146145
11165a4920714394
126211217b66b41
1324943350b6a79
14d8466d46bb7b
15656ed5d82dea
hex3211786b88e1

55050616146145 has 16 divisors (see below), whose sum is σ = 68192114844672. Its totient is φ = 42619591932480.

The previous prime is 55050616146091. The next prime is 55050616146191. The reversal of 55050616146145 is 54164161605055.

It is not a de Polignac number, because 55050616146145 - 221 = 55050614048993 is a prime.

It is a super-2 number, since 2×550506161461452 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29643619 + ... + 31445911.

It is an arithmetic number, because the mean of its divisors is an integer number (4262007177792).

Almost surely, 255050616146145 is an apocalyptic number.

It is an amenable number.

55050616146145 is a deficient number, since it is larger than the sum of its proper divisors (13141498698527).

55050616146145 is a wasteful number, since it uses less digits than its factorization.

55050616146145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999392.

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 55050616146145 in words is "fifty-five trillion, fifty billion, six hundred sixteen million, one hundred forty-six thousand, one hundred forty-five".

Divisors: 1 5 31 155 197063 985315 1802293 6108953 9011465 30544765 55871083 279355415 355165265459 1775826327295 11010123229229 55050616146145