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13140342554500 = 22537232935915679
BaseRepresentation
bin1011111100110111100101…
…1100110011111110000100
31201112012112001202222110101
42333031321130303332010
53210242410143221000
643540331240333444
72524233636545020
oct277157134637604
951465461688411
1013140342554500
114206873893127
12158282a174284
1374418a4c7685
14335dd2d43380
1517bc254c0e6a
hexbf379733f84

13140342554500 has 384 divisors, whose sum is σ = 35505340416000. Its totient is φ = 4148925580800.

The previous prime is 13140342554491. The next prime is 13140342554501. The reversal of 13140342554500 is 545524304131.

It is a self number, because there is not a number n which added to its sum of digits gives 13140342554500.

It is not an unprimeable number, because it can be changed into a prime (13140342554501) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 838077661 + ... + 838093339.

It is an arithmetic number, because the mean of its divisors is an integer number (92461824000).

Almost surely, 213140342554500 is an apocalyptic number.

13140342554500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13140342554500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17752670208000).

13140342554500 is an abundant number, since it is smaller than the sum of its proper divisors (22364997861500).

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

13140342554500 is a wasteful number, since it uses less digits than its factorization.

13140342554500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16116 (or 16104 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 13140342554500 its reverse (545524304131), we get a palindrome (13685866858631).

The spelling of 13140342554500 in words is "thirteen trillion, one hundred forty billion, three hundred forty-two million, five hundred fifty-four thousand, five hundred".