Search a number
-
+
20541019348 = 2229177077753
BaseRepresentation
bin10011001000010101…
…110001010011010100
31222000112112220021101
4103020111301103110
5314032000104343
613234133155444
71325011532533
oct231025612324
958015486241
1020541019348
118790962953
123b9318bb84
131c247c2525
14dcc0b831a
158034d7e4d
hex4c85714d4

20541019348 has 12 divisors (see below), whose sum is σ = 37186328340. Its totient is φ = 9916354112.

The previous prime is 20541019237. The next prime is 20541019357. The reversal of 20541019348 is 84391014502.

It can be written as a sum of positive squares in 2 ways, for example, as 11704643344 + 8836376004 = 108188^2 + 94002^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88538761 + ... + 88538992.

It is an arithmetic number, because the mean of its divisors is an integer number (3098860695).

Almost surely, 220541019348 is an apocalyptic number.

It is an amenable number.

20541019348 is a deficient number, since it is larger than the sum of its proper divisors (16645308992).

20541019348 is a wasteful number, since it uses less digits than its factorization.

20541019348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177077786 (or 177077784 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 20541019348 in words is "twenty billion, five hundred forty-one million, nineteen thousand, three hundred forty-eight".

Divisors: 1 2 4 29 58 116 177077753 354155506 708311012 5135254837 10270509674 20541019348