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13125521441300 = 22524118257175349
BaseRepresentation
bin1011111100000000011000…
…0010110000001000010100
31201110210021011020102022212
42333000012002300020110
53210022031442110200
643525440432412552
72523200441266322
oct277000602601024
951423234212285
1013125521441300
114200558743444
12157b9926a7158
13742967a528c8
143353c87a6d12
1517b659245035
hexbf0060b0214

13125521441300 has 72 divisors (see below), whose sum is σ = 29178838294200. Its totient is φ = 5121844940800.

The previous prime is 13125521441281. The next prime is 13125521441303. The reversal of 13125521441300 is 314412552131.

It can be written as a sum of positive squares in 12 ways, for example, as 3995249411344 + 9130272029956 = 1998812^2 + 3021634^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13125521441303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74766026 + ... + 74941374.

It is an arithmetic number, because the mean of its divisors is an integer number (405261642975).

Almost surely, 213125521441300 is an apocalyptic number.

13125521441300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13125521441300 is an abundant number, since it is smaller than the sum of its proper divisors (16053316852900).

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

13125521441300 is a wasteful number, since it uses less digits than its factorization.

13125521441300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193661 (or 193654 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 13125521441300 its reverse (314412552131), we get a palindrome (13439933993431).

The spelling of 13125521441300 in words is "thirteen trillion, one hundred twenty-five billion, five hundred twenty-one million, four hundred forty-one thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 41 50 82 100 164 205 410 820 1025 2050 4100 18257 36514 73028 91285 175349 182570 350698 365140 456425 701396 748537 876745 912850 1497074 1753490 1825700 2994148 3506980 3742685 4383725 7189309 7485370 8767450 14378618 14970740 17534900 18713425 28757236 35946545 37426850 71893090 74853700 143786180 179732725 359465450 718930900 3201346693 6402693386 12805386772 16006733465 32013466930 64026933860 80033667325 131255214413 160067334650 262510428826 320134669300 525020857652 656276072065 1312552144130 2625104288260 3281380360325 6562760720650 13125521441300