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14143021040 = 245176787763
BaseRepresentation
bin11010010101111110…
…10101111111110000
31100111122120220120002
431022333111333300
5212431103133130
610255222005132
71010322460331
oct151277257760
940448526502
1014143021040
115aa8404045
1228a85767a8
131445136305
149824a6288
1557b984b45
hex34afd5ff0

14143021040 has 20 divisors (see below), whose sum is σ = 32882524104. Its totient is φ = 5657208384.

The previous prime is 14143021033. The next prime is 14143021043. The reversal of 14143021040 is 4012034141.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14143021043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88393802 + ... + 88393961.

Almost surely, 214143021040 is an apocalyptic number.

14143021040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14143021040 is an abundant number, since it is smaller than the sum of its proper divisors (18739503064).

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

14143021040 is a wasteful number, since it uses less digits than its factorization.

14143021040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176787776 (or 176787770 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 14143021040 its reverse (4012034141), we get a palindrome (18155055181).

The spelling of 14143021040 in words is "fourteen billion, one hundred forty-three million, twenty-one thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 176787763 353575526 707151052 883938815 1414302104 1767877630 2828604208 3535755260 7071510520 14143021040