Search a number
-
+
50555050549940 = 22515385011642997
BaseRepresentation
bin10110111111010110000111…
…10101000110001010110100
320122000000102101200200001102
423133223003311012022310
523111243220420044230
6255304400344545232
713435324165305566
oct1337530365061264
9218000371620042
1050555050549940
1115121305082552
125805aa8182218
132229422a8ab51
14c6ac3dc1b336
155ca0bd727045
hex2dfac3d462b4

50555050549940 has 24 divisors (see below), whose sum is σ = 106165739777832. Its totient is φ = 20221994768000.

The previous prime is 50555050549919. The next prime is 50555050549987. The reversal of 50555050549940 is 4994505055505.

It can be written as a sum of positive squares in 4 ways, for example, as 22215121477264 + 28339929072676 = 4713292^2 + 5323526^2 .

It is a super-2 number, since 2×505550505499402 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29948522 + ... + 31591518.

It is an arithmetic number, because the mean of its divisors is an integer number (4423572490743).

Almost surely, 250555050549940 is an apocalyptic number.

It is an amenable number.

50555050549940 is an abundant number, since it is smaller than the sum of its proper divisors (55610689227892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50555050549940 is a wasteful number, since it uses less digits than its factorization.

50555050549940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3181507 (or 3181505 counting only the distinct ones).

The product of its (nonzero) digits is 20250000, while the sum is 56.

The spelling of 50555050549940 in words is "fifty trillion, five hundred fifty-five billion, fifty million, five hundred forty-nine thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 1538501 1642997 3077002 3285994 6154004 6571988 7692505 8214985 15385010 16429970 30770020 32859940 2527752527497 5055505054994 10111010109988 12638762637485 25277525274970 50555050549940