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15142314400 = 255252336191
BaseRepresentation
bin11100001101000110…
…10110000110100000
31110002021221021100021
432012203112012200
5222002413030100
610542320203224
71044145356133
oct160643260640
943067837307
1015142314400
116470494a24
122b27169514
131574186965
14a390ac21a
155d9576a1a
hex3868d61a0

15142314400 has 72 divisors (see below), whose sum is σ = 37037879424. Its totient is φ = 6045177600.

The previous prime is 15142314391. The next prime is 15142314401. The reversal of 15142314400 is 441324151.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (15142314401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400305 + ... + 436495.

It is an arithmetic number, because the mean of its divisors is an integer number (514414992).

Almost surely, 215142314400 is an apocalyptic number.

15142314400 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 15142314400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18518939712).

15142314400 is an abundant number, since it is smaller than the sum of its proper divisors (21895565024).

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

15142314400 is a wasteful number, since it uses less digits than its factorization.

15142314400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36734 (or 36721 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 15142314400 its reverse (441324151), we get a palindrome (15583638551).

The spelling of 15142314400 in words is "fifteen billion, one hundred forty-two million, three hundred fourteen thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 160 200 400 523 800 1046 2092 2615 4184 5230 8368 10460 13075 16736 20920 26150 36191 41840 52300 72382 83680 104600 144764 180955 209200 289528 361910 418400 579056 723820 904775 1158112 1447640 1809550 2895280 3619100 5790560 7238200 14476400 18927893 28952800 37855786 75711572 94639465 151423144 189278930 302846288 378557860 473197325 605692576 757115720 946394650 1514231440 1892789300 3028462880 3785578600 7571157200 15142314400