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142864167220213 = 314233454644061
BaseRepresentation
bin100000011110111100100111…
…111100000011001111110101
3200201211200101110011122202111
4200132330213330003033311
5122211141303302021323
61223502520430411021
742043411150001005
oct4036744774031765
9621750343148674
10142864167220213
1141580397a3102a
1214034048660a71
136194057b1ac9a
14273c93c1d8005
15117b358cb5c0d
hex81ef27f033f5

142864167220213 has 4 divisors (see below), whose sum is σ = 142864622178508. Its totient is φ = 142863712261920.

The previous prime is 142864167220211. The next prime is 142864167220253. The reversal of 142864167220213 is 312022761468241.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52302431489764 + 90561735730449 = 7232042^2 + 9516393^2 .

It is a cyclic number.

It is not a de Polignac number, because 142864167220213 - 21 = 142864167220211 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 (142864167220211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 227007798 + ... + 227636263.

It is an arithmetic number, because the mean of its divisors is an integer number (35716155544627).

Almost surely, 2142864167220213 is an apocalyptic number.

It is an amenable number.

142864167220213 is a deficient number, since it is larger than the sum of its proper divisors (454958295).

142864167220213 is an equidigital number, since it uses as much as digits as its factorization.

142864167220213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454958294.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 142864167220213 in words is "one hundred forty-two trillion, eight hundred sixty-four billion, one hundred sixty-seven million, two hundred twenty thousand, two hundred thirteen".

Divisors: 1 314233 454644061 142864167220213