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142763144555 = 5181467337793
BaseRepresentation
bin1000010011110101011…
…0001011010101101011
3111122111102001011111102
42010331112023111223
54314334331111210
6145330125352015
713212542464223
oct2047526132553
9448442034442
10142763144555
1155600089589
122380310860b
1310602186a85
146ca45bb083
153aa85caea5
hex213d58b56b

142763144555 has 16 divisors (see below), whose sum is σ = 172631650464. Its totient is φ = 113335971840.

The previous prime is 142763144549. The next prime is 142763144603. The reversal of 142763144555 is 555441367241.

It is a de Polignac number, because none of the positive numbers 2k-142763144555 is a prime.

It is a super-2 number, since 2×1427631445552 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 253739 + ... + 591531.

It is an arithmetic number, because the mean of its divisors is an integer number (10789478154).

Almost surely, 2142763144555 is an apocalyptic number.

142763144555 is a deficient number, since it is larger than the sum of its proper divisors (29868505909).

142763144555 is a wasteful number, since it uses less digits than its factorization.

142763144555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338446.

The product of its digits is 2016000, while the sum is 47.

The spelling of 142763144555 in words is "one hundred forty-two billion, seven hundred sixty-three million, one hundred forty-four thousand, five hundred fifty-five".

Divisors: 1 5 181 467 905 2335 84527 337793 422635 1688965 61140533 157749331 305702665 788746655 28552628911 142763144555