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143797943968 = 2572923099587
BaseRepresentation
bin1000010111101100000…
…1100111111010100000
3111202011112012102102121
42011323001213322200
54323444233201333
6150020532554024
713250306233150
oct2057301477240
9452145172377
10143797943968
1155a91210708
1223a51782914
1310738689613
146d61bc6760
153b1938332d
hex217b067ea0

143797943968 has 96 divisors (see below), whose sum is σ = 334881993600. Its totient is φ = 59470623744.

The previous prime is 143797943959. The next prime is 143797943969. The reversal of 143797943968 is 869349797341.

It is a junction number, because it is equal to n+sod(n) for n = 143797943897 and 143797943906.

It is not an unprimeable number, because it can be changed into a prime (143797943969) 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, 14994471 + ... + 15004057.

It is an arithmetic number, because the mean of its divisors is an integer number (3488354100).

Almost surely, 2143797943968 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 143797943968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167440996800).

143797943968 is an abundant number, since it is smaller than the sum of its proper divisors (191084049632).

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

143797943968 is a wasteful number, since it uses less digits than its factorization.

143797943968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11942 (or 11934 counting only the distinct ones).

The product of its digits is 246903552, while the sum is 70.

The spelling of 143797943968 in words is "one hundred forty-three billion, seven hundred ninety-seven million, nine hundred forty-three thousand, nine hundred sixty-eight".

Divisors: 1 2 4 7 8 14 16 28 29 32 56 58 112 116 203 224 232 406 464 812 928 1624 2309 3248 4618 6496 9236 9587 16163 18472 19174 32326 36944 38348 64652 66961 67109 73888 76696 129304 133922 134218 153392 258608 267844 268436 278023 306784 468727 517216 535688 536872 556046 937454 1071376 1073744 1112092 1874908 1946161 2142752 2147488 2224184 3749816 3892322 4448368 7499632 7784644 8896736 14999264 15569288 22136383 31138576 44272766 62277152 88545532 154954681 177091064 309909362 354182128 619818724 641955107 708364256 1239637448 1283910214 2479274896 2567820428 4493685749 4958549792 5135640856 8987371498 10271281712 17974742996 20542563424 35949485992 71898971984 143797943968