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143031343240 = 2355179690439
BaseRepresentation
bin1000010100110101010…
…1010001100010001000
3111200012002201001221001
42011031111101202020
54320412010440430
6145412510024344
713222310233462
oct2051525214210
9450162631831
10143031343240
1155728512195
1223878aa80b4
13106458cba16
146ccc073132
153ac1e073ca
hex214d551888

143031343240 has 32 divisors (see below), whose sum is σ = 321883128000. Its totient is φ = 57201407424.

The previous prime is 143031343229. The next prime is 143031343267. The reversal of 143031343240 is 42343130341.

It is a super-3 number, since 3×1430313432403 (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 143031343199 and 143031343208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138060 + ... + 552379.

It is an arithmetic number, because the mean of its divisors is an integer number (10058847750).

Almost surely, 2143031343240 is an apocalyptic number.

143031343240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143031343240 is an abundant number, since it is smaller than the sum of its proper divisors (178851784760).

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

143031343240 is a wasteful number, since it uses less digits than its factorization.

143031343240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695629 (or 695625 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 143031343240 its reverse (42343130341), we get a palindrome (185374473581).

The spelling of 143031343240 in words is "one hundred forty-three billion, thirty-one million, three hundred forty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 5179 10358 20716 25895 41432 51790 103580 207160 690439 1380878 2761756 3452195 5523512 6904390 13808780 27617560 3575783581 7151567162 14303134324 17878917905 28606268648 35757835810 71515671620 143031343240