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12451512414 = 23111393493889
BaseRepresentation
bin10111001100010101…
…10000000001011110
31012010202201100221110
423212022300001132
5201000041344124
65415315042450
7620363052315
oct134612600136
935122640843
1012451512414
11530a610630
1224b5ba0426
131235870a33
1486199127c
154cd20c029
hex2e62b005e

12451512414 has 64 divisors (see below), whose sum is σ = 27447840000. Its totient is φ = 3734346240.

The previous prime is 12451512407. The next prime is 12451512427. The reversal of 12451512414 is 41421515421.

It is a super-2 number, since 2×124515124142 (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 31 ways as a sum of consecutive naturals, for example, 3199782 + ... + 3203670.

It is an arithmetic number, because the mean of its divisors is an integer number (428872500).

Almost surely, 212451512414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12451512414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13723920000).

12451512414 is an abundant number, since it is smaller than the sum of its proper divisors (14996327586).

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

12451512414 is a wasteful number, since it uses less digits than its factorization.

12451512414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4393.

The product of its digits is 6400, while the sum is 30.

The spelling of 12451512414 in words is "twelve billion, four hundred fifty-one million, five hundred twelve thousand, four hundred fourteen".

Divisors: 1 2 3 6 11 22 33 66 139 278 349 417 698 834 1047 1529 2094 3058 3839 3889 4587 7678 7778 9174 11517 11667 23034 23334 42779 48511 85558 97022 128337 145533 256674 291066 533621 540571 1067242 1081142 1357261 1600863 1621713 2714522 3201726 3243426 4071783 5946281 8143566 11892562 14929871 17838843 29859742 35677686 44789613 89579226 188659279 377318558 565977837 1131955674 2075252069 4150504138 6225756207 12451512414