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14215051242 = 232753240163
BaseRepresentation
bin11010011110100100…
…00111011111101010
31100200200010102102100
431033102013133222
5213103023114432
610310313514230
71012155641040
oct151722073752
940620112370
1014215051242
116035031437
122908712976
131457035c32
1498bc96390
15582e6207c
hex34f4877ea

14215051242 has 72 divisors (see below), whose sum is σ = 35876733984. Its totient is φ = 3984712992.

The previous prime is 14215051231. The next prime is 14215051243. The reversal of 14215051242 is 24215051241.

It is a happy number.

14215051242 is a `hidden beast` number, since 14 + 21 + 505 + 124 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (14215051243) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 333853 + ... + 374015.

It is an arithmetic number, because the mean of its divisors is an integer number (498287972).

Almost surely, 214215051242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14215051242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17938366992).

14215051242 is an abundant number, since it is smaller than the sum of its proper divisors (21661682742).

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

14215051242 is a wasteful number, since it uses less digits than its factorization.

14215051242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40284 (or 40228 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Subtracting 14215051242 from its reverse (24215051241), we obtain a palindrome (9999999999).

The spelling of 14215051242 in words is "fourteen billion, two hundred fifteen million, fifty-one thousand, two hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 53 63 106 126 159 318 371 477 742 954 1113 2226 2809 3339 5618 6678 8427 16854 19663 25281 39326 40163 50562 58989 80326 117978 120489 176967 240978 281141 353934 361467 562282 722934 843423 1686846 2128639 2530269 4257278 5060538 6385917 12771834 14900473 19157751 29800946 38315502 44701419 89402838 112817867 134104257 225635734 268208514 338453601 676907202 789725069 1015360803 1579450138 2030721606 2369175207 4738350414 7107525621 14215051242