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143343746740 = 22528572508641
BaseRepresentation
bin1000010101111111110…
…0111111111010110100
3111200222212112210222001
42011133330333322310
54322031444343430
6145503505545044
713233122513035
oct2053774777264
9450885483861
10143343746740
11558788985a7
1223945645184
131069555036c
146d1b754a8c
153ade5663ca
hex215ff3feb4

143343746740 has 24 divisors (see below), whose sum is σ = 301127351112. Its totient is φ = 57317406720.

The previous prime is 143343746731. The next prime is 143343746743. The reversal of 143343746740 is 47647343341.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1939169296 + 141404577444 = 44036^2 + 376038^2 .

It is a super-2 number, since 2×1433437467402 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143343746743) 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, 1197181 + ... + 1311460.

It is an arithmetic number, because the mean of its divisors is an integer number (12546972963).

Almost surely, 2143343746740 is an apocalyptic number.

143343746740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143343746740 is an abundant number, since it is smaller than the sum of its proper divisors (157783604372).

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

143343746740 is a wasteful number, since it uses less digits than its factorization.

143343746740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511507 (or 2511505 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 46.

The spelling of 143343746740 in words is "one hundred forty-three billion, three hundred forty-three million, seven hundred forty-six thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 2857 5714 11428 14285 28570 57140 2508641 5017282 10034564 12543205 25086410 50172820 7167187337 14334374674 28668749348 35835936685 71671873370 143343746740