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13125543033140 = 225656277151657
BaseRepresentation
bin1011111100000000011101…
…0101000111100100110100
31201110210022122212101202122
42333000013111013210310
53210022103004030030
643525442523255112
72523201122645306
oct277000725074464
951423278771678
1013125543033140
11420056995073a
12157b99997a498
1374296c372745
143353cb5c7976
1517b65b0ac8e5
hexbf007547934

13125543033140 has 12 divisors (see below), whose sum is σ = 27563640369636. Its totient is φ = 5250217213248.

The previous prime is 13125543033103. The next prime is 13125543033151. The reversal of 13125543033140 is 4133034552131.

It can be written as a sum of positive squares in 2 ways, for example, as 6837063989284 + 6288479043856 = 2614778^2 + 2507684^2 .

It is a super-2 number, since 2×131255430331402 (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13125543033140.

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, 328138575809 + ... + 328138575848.

It is an arithmetic number, because the mean of its divisors is an integer number (2296970030803).

Almost surely, 213125543033140 is an apocalyptic number.

13125543033140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13125543033140 is an abundant number, since it is smaller than the sum of its proper divisors (14438097336496).

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

13125543033140 is a wasteful number, since it uses less digits than its factorization.

13125543033140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656277151666 (or 656277151664 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 13125543033140 its reverse (4133034552131), we get a palindrome (17258577585271).

The spelling of 13125543033140 in words is "thirteen trillion, one hundred twenty-five billion, five hundred forty-three million, thirty-three thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 656277151657 1312554303314 2625108606628 3281385758285 6562771516570 13125543033140