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12124210416 = 2431747931019
BaseRepresentation
bin10110100101010100…
…01100010011110000
31011021221211201000020
423102222030103300
5144312244213131
65323023523440
7606310042143
oct132252142360
934257751006
1012124210416
11516188980a
122424459580
1311b2b04006
1483031205a
154ae608996
hex2d2a8c4f0

12124210416 has 80 divisors (see below), whose sum is σ = 33233587200. Its totient is φ = 3795610624.

The previous prime is 12124210337. The next prime is 12124210421. The reversal of 12124210416 is 61401242121.

It is a super-2 number, since 2×121242104162 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375355 + ... + 406373.

It is an arithmetic number, because the mean of its divisors is an integer number (415419840).

Almost surely, 212124210416 is an apocalyptic number.

12124210416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12124210416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16616793600).

12124210416 is an abundant number, since it is smaller than the sum of its proper divisors (21109376784).

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

12124210416 is a wasteful number, since it uses less digits than its factorization.

12124210416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31526 (or 31520 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 12124210416 its reverse (61401242121), we get a palindrome (73525452537).

The spelling of 12124210416 in words is "twelve billion, one hundred twenty-four million, two hundred ten thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 16 17 24 34 48 51 68 102 136 204 272 408 479 816 958 1437 1916 2874 3832 5748 7664 8143 11496 16286 22992 24429 31019 32572 48858 62038 65144 93057 97716 124076 130288 186114 195432 248152 372228 390864 496304 527323 744456 1054646 1488912 1581969 2109292 3163938 4218584 6327876 8437168 12655752 14858101 25311504 29716202 44574303 59432404 89148606 118864808 178297212 237729616 252587717 356594424 505175434 713188848 757763151 1010350868 1515526302 2020701736 3031052604 4041403472 6062105208 12124210416