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126644006143 = 6611213157951
BaseRepresentation
bin111010111110010010…
…0100010110011111111
3110002220001001002112001
41311330210202303333
54033331331144033
6134102432323131
712102233201464
oct1657444426377
9402801032461
10126644006143
1149789270296
12206649a34a7
13bc33818b55
1461b58b566b
1534633eee7d
hex1d7c922cff

126644006143 has 8 divisors (see below), whose sum is σ = 126940967936. Its totient is φ = 126347364000.

The previous prime is 126644006107. The next prime is 126644006183. The reversal of 126644006143 is 341600446621.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-126644006143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126644006183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 722818 + ... + 880768.

It is an arithmetic number, because the mean of its divisors is an integer number (15867620992).

Almost surely, 2126644006143 is an apocalyptic number.

126644006143 is a deficient number, since it is larger than the sum of its proper divisors (296961793).

126644006143 is a wasteful number, since it uses less digits than its factorization.

126644006143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159825.

The product of its (nonzero) digits is 82944, while the sum is 37.

The spelling of 126644006143 in words is "one hundred twenty-six billion, six hundred forty-four million, six thousand, one hundred forty-three".

Divisors: 1 661 1213 157951 801793 104405611 191594563 126644006143