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142320211313142 = 2383928271794063
BaseRepresentation
bin100000010111000010000001…
…101000111100000111110110
3200122220200100020011111200210
4200113002001220330013312
5122123233243044010032
61222405000311450250
741656203340036632
oct4027020150740766
9618820306144623
10142320211313142
1141390732008005
1213b6673a986986
13615497a196a55
14272049928ddc2
15116c11e2352cc
hex817081a3c1f6

142320211313142 has 16 divisors (see below), whose sum is σ = 284979684165120. Its totient is φ = 47383526847912.

The previous prime is 142320211313101. The next prime is 142320211313171. The reversal of 142320211313142 is 241313112023241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14135891998 + ... + 14135902065.

It is an arithmetic number, because the mean of its divisors is an integer number (17811230260320).

Almost surely, 2142320211313142 is an apocalyptic number.

142320211313142 is an abundant number, since it is smaller than the sum of its proper divisors (142659472851978).

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

142320211313142 is a wasteful number, since it uses less digits than its factorization.

142320211313142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28271794907.

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 142320211313142 its reverse (241313112023241), we get a palindrome (383633323336383).

The spelling of 142320211313142 in words is "one hundred forty-two trillion, three hundred twenty billion, two hundred eleven million, three hundred thirteen thousand, one hundred forty-two".

Divisors: 1 2 3 6 839 1678 2517 5034 28271794063 56543588126 84815382189 169630764378 23720035218857 47440070437714 71160105656571 142320211313142