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13144224311450 = 25219432115212927
BaseRepresentation
bin1011111101000110000011…
…0100100010100010011010
31201112120112120222122221022
42333101200310202202122
53210323332410431300
643542212344042442
72524432063125461
oct277214064424232
951476476878838
1013144224311450
114208485a55621
121583532163422
13744658788a8b
143362806b79d8
1517bda118b285
hexbf460d2289a

13144224311450 has 192 divisors, whose sum is σ = 26518139873280. Its totient is φ = 4831130304000.

The previous prime is 13144224311447. The next prime is 13144224311461. The reversal of 13144224311450 is 5411342244131.

It is a super-2 number, since 2×131442243114502 (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 13144224311450.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4490679887 + ... + 4490682813.

It is an arithmetic number, because the mean of its divisors is an integer number (138115311840).

Almost surely, 213144224311450 is an apocalyptic number.

13144224311450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13144224311450 is an abundant number, since it is smaller than the sum of its proper divisors (13373915561830).

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

13144224311450 is a wasteful number, since it uses less digits than its factorization.

13144224311450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3733 (or 3728 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 13144224311450 its reverse (5411342244131), we get a palindrome (18555566555581).

The spelling of 13144224311450 in words is "thirteen trillion, one hundred forty-four billion, two hundred twenty-four million, three hundred eleven thousand, four hundred fifty".