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143050006640 = 2454993583417
BaseRepresentation
bin1000010100111001110…
…0011110000001110000
3111200020101211021022002
42011032130132001300
54320431300203030
6145414414033132
713222624664642
oct2051634360160
9450211737262
10143050006640
1155737aaa292
12238831a87a8
1310649734958
146cd0730892
153ac3892245
hex214e71e070

143050006640 has 40 divisors (see below), whose sum is σ = 333257874000. Its totient is φ = 57105317376.

The previous prime is 143050006609. The next prime is 143050006643. The reversal of 143050006640 is 46600050341.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143050006643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751789 + ... + 1831628.

It is an arithmetic number, because the mean of its divisors is an integer number (8331446850).

Almost surely, 2143050006640 is an apocalyptic number.

143050006640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143050006640 is an abundant number, since it is smaller than the sum of its proper divisors (190207867360).

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

143050006640 is a wasteful number, since it uses less digits than its factorization.

143050006640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3583929 (or 3583923 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

Adding to 143050006640 its reverse (46600050341), we get a palindrome (189650056981).

The spelling of 143050006640 in words is "one hundred forty-three billion, fifty million, six thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 499 998 1996 2495 3992 4990 7984 9980 19960 39920 3583417 7166834 14333668 17917085 28667336 35834170 57334672 71668340 143336680 286673360 1788125083 3576250166 7152500332 8940625415 14305000664 17881250830 28610001328 35762501660 71525003320 143050006640