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14245213520 = 245199371851
BaseRepresentation
bin11010100010001010…
…01011010101010000
31100202202212211021202
431101011023111100
5213133233313040
610313312210332
71013003213516
oct152105132520
940682784252
1014245213520
11605006283a
1229168399a8
131460366a35
14991ca84b6
1558591e015
hex35114b550

14245213520 has 40 divisors (see below), whose sum is σ = 34863289440. Its totient is φ = 5398185600.

The previous prime is 14245213517. The next prime is 14245213547. The reversal of 14245213520 is 2531254241.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×142452135202 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4684406 + ... + 4687445.

It is an arithmetic number, because the mean of its divisors is an integer number (871582236).

Almost surely, 214245213520 is an apocalyptic number.

14245213520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14245213520 is an abundant number, since it is smaller than the sum of its proper divisors (20618075920).

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

14245213520 is a wasteful number, since it uses less digits than its factorization.

14245213520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9371883 (or 9371877 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 14245213520 its reverse (2531254241), we get a palindrome (16776467761).

The spelling of 14245213520 in words is "fourteen billion, two hundred forty-five million, two hundred thirteen thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 16 19 20 38 40 76 80 95 152 190 304 380 760 1520 9371851 18743702 37487404 46859255 74974808 93718510 149949616 178065169 187437020 356130338 374874040 712260676 749748080 890325845 1424521352 1780651690 2849042704 3561303380 7122606760 14245213520