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424420023412 = 227118917778713
BaseRepresentation
bin1100010110100010110…
…01111001110001110100
31111120111120011002111101
412023101121321301310
523423203011222122
6522550442015444
742443344450360
oct6132131716164
91446446132441
10424420023412
11153aa5047430
126a3094a7584
133103a969c38
14167834d62a0
15b090706027
hex62d1679c74

424420023412 has 96 divisors (see below), whose sum is σ = 937046396160. Its totient is φ = 163389726720.

The previous prime is 424420023397. The next prime is 424420023437. The reversal of 424420023412 is 214320024424.

It is a Harshad number since it is a multiple of its sum of digits (28).

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, 48706768 + ... + 48715480.

It is an arithmetic number, because the mean of its divisors is an integer number (9760899960).

Almost surely, 2424420023412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424420023412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (468523198080).

424420023412 is an abundant number, since it is smaller than the sum of its proper divisors (512626372748).

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

424420023412 is a wasteful number, since it uses less digits than its factorization.

424420023412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10601 (or 10599 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 424420023412 its reverse (214320024424), we get a palindrome (638740047836).

The spelling of 424420023412 in words is "four hundred twenty-four billion, four hundred twenty million, twenty-three thousand, four hundred twelve".

Divisors: 1 2 4 7 11 14 22 28 44 77 89 154 178 308 356 623 979 1246 1777 1958 2492 3554 3916 6853 7108 8713 12439 13706 17426 19547 24878 27412 34852 39094 49756 60991 78188 95843 121982 136829 158153 191686 243964 273658 316306 383372 547316 632612 670901 775457 1107071 1341802 1550914 1739683 2214142 2683604 3101828 3479366 4428284 5428199 6958732 8530027 10856398 12177781 15483001 17060054 21712796 24355562 30966002 34120108 48711124 59710189 61932004 108381007 119420378 170313011 216762014 238840756 340626022 433524028 681252044 1192191077 1377987089 2384382154 2755974178 4768764308 5511948356 9645909623 15157857979 19291819246 30315715958 38583638492 60631431916 106105005853 212210011706 424420023412