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143438101368 = 233318310132293
BaseRepresentation
bin1000010110010110010…
…0111011101101111000
3111201020110002112011220
42011211210323231320
54322230123220433
6145521120152040
713235346513312
oct2054544735570
9451213075156
10143438101368
1155917083631
1223971168620
13106abc683c3
146d2a0b67b2
153ae79a32b3
hex216593bb78

143438101368 has 128 divisors (see below), whose sum is σ = 375155988480. Its totient is φ = 45647838720.

The previous prime is 143438101333. The next prime is 143438101369. The reversal of 143438101368 is 863101834341.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143438101369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62553630 + ... + 62555922.

It is an arithmetic number, because the mean of its divisors is an integer number (2930906160).

Almost surely, 2143438101368 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 143438101368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187577994240).

143438101368 is an abundant number, since it is smaller than the sum of its proper divisors (231717887112).

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

143438101368 is a wasteful number, since it uses less digits than its factorization.

143438101368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429 (or 3425 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 143438101368 in words is "one hundred forty-three billion, four hundred thirty-eight million, one hundred one thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 31 62 83 93 124 166 186 248 249 332 372 498 664 744 996 1013 1992 2026 2293 2573 3039 4052 4586 5146 6078 6879 7719 8104 9172 10292 12156 13758 15438 18344 20584 24312 27516 30876 31403 55032 61752 62806 71083 84079 94209 125612 142166 168158 188418 190319 213249 251224 252237 284332 336316 376836 380638 426498 504474 568664 570957 672632 753672 761276 852996 1008948 1141914 1522552 1705992 2017896 2283828 2322809 2606449 4567656 4645618 5212898 5899889 6968427 7819347 9291236 10425796 11799778 13936854 15638694 17699667 18582472 20851592 23599556 27873708 31277388 35399334 47199112 55747416 62554776 70798668 72007079 141597336 144014158 192793147 216021237 288028316 385586294 432042474 576056632 578379441 771172588 864084948 1156758882 1542345176 1728169896 2313517764 4627035528 5976587557 11953175114 17929762671 23906350228 35859525342 47812700456 71719050684 143438101368