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143345274968 = 23731179461297
BaseRepresentation
bin1000010110000000001…
…0110101000001011000
3111200222222102110022002
42011200002311001120
54322032342244333
6145504002420132
713233141506360
oct2054002650130
9450888373262
10143345274968
11558797417a5
1223946061648
1310695966b3c
146d1ba319a0
153ade7690e8
hex21600b5058

143345274968 has 64 divisors (see below), whose sum is σ = 318849177600. Its totient is φ = 59119695360.

The previous prime is 143345274967. The next prime is 143345274991. The reversal of 143345274968 is 869472543341.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143345274967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80096 + ... + 541392.

It is an arithmetic number, because the mean of its divisors is an integer number (4982018400).

Almost surely, 2143345274968 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 143345274968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159424588800).

143345274968 is an abundant number, since it is smaller than the sum of its proper divisors (175503902632).

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

143345274968 is a wasteful number, since it uses less digits than its factorization.

143345274968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461520 (or 461516 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 56.

The spelling of 143345274968 in words is "one hundred forty-three billion, three hundred forty-five million, two hundred seventy-four thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 28 31 56 62 124 179 217 248 358 434 716 868 1253 1432 1736 2506 5012 5549 10024 11098 22196 38843 44392 77686 155372 310744 461297 922594 1845188 3229079 3690376 6458158 12916316 14300207 25832632 28600414 57200828 82572163 100101449 114401656 165144326 200202898 330288652 400405796 578005141 660577304 800811592 1156010282 2312020564 2559737053 4624041128 5119474106 10238948212 17918159371 20477896424 35836318742 71672637484 143345274968