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143240515426 = 2123757898349
BaseRepresentation
bin1000010101100111001…
…1001100111101100010
3111200201200022010020001
42011121303030331202
54321324032443201
6145445341210214
713230430202101
oct2053163147542
9450650263201
10143240515426
115582559a368
1223916b6096a
131067a047b48
146d0bb62038
153ad5474301
hex2159cccf62

143240515426 has 8 divisors (see below), whose sum is σ = 215034471900. Its totient is φ = 71562358128.

The previous prime is 143240515391. The next prime is 143240515433. The reversal of 143240515426 is 624515042341.

143240515426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 119539605025 + 23700910401 = 345745^2 + 153951^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1432405154262 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28946701 + ... + 28951648.

Almost surely, 2143240515426 is an apocalyptic number.

143240515426 is a deficient number, since it is larger than the sum of its proper divisors (71793956474).

143240515426 is a wasteful number, since it uses less digits than its factorization.

143240515426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57899588.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 143240515426 its reverse (624515042341), we get a palindrome (767755557767).

The spelling of 143240515426 in words is "one hundred forty-three billion, two hundred forty million, five hundred fifteen thousand, four hundred twenty-six".

Divisors: 1 2 1237 2474 57898349 115796698 71620257713 143240515426