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11131455441620 = 2251983132806537
BaseRepresentation
bin1010000111111011111001…
…1100101000101011010100
31110102011020021021000111102
42201332332130220223110
52424334210043112440
635401415305525232
72226135562043603
oct241767634505324
943364207230442
1011131455441620
113601907444958
1212b9425aa3818
136298cb9b9537
142a6aa0065a3a
1514484c1b4b15
hexa1fbe728ad4

11131455441620 has 24 divisors (see below), whose sum is σ = 23376182631144. Its totient is φ = 4452558137856.

The previous prime is 11131455441563. The next prime is 11131455441653. The reversal of 11131455441620 is 2614455413111.

It can be written as a sum of positive squares in 4 ways, for example, as 1434135582916 + 9697319858704 = 1197554^2 + 3114052^2 .

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, 2562992 + ... + 5369528.

It is an arithmetic number, because the mean of its divisors is an integer number (974007609631).

Almost surely, 211131455441620 is an apocalyptic number.

11131455441620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11131455441620 is an abundant number, since it is smaller than the sum of its proper divisors (12244727189524).

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

11131455441620 is a wasteful number, since it uses less digits than its factorization.

11131455441620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3004859 (or 3004857 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 11131455441620 in words is "eleven trillion, one hundred thirty-one billion, four hundred fifty-five million, four hundred forty-one thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 198313 396626 793252 991565 1983130 2806537 3966260 5613074 11226148 14032685 28065370 56130740 556572772081 1113145544162 2226291088324 2782863860405 5565727720810 11131455441620