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131020142001142 = 2515365851193057
BaseRepresentation
bin11101110010100110000001…
…000001011011101111110110
3122011220101212222011101110011
4131302212001001123233312
5114133113222323014032
61142353453341250434
736411615154511062
oct3562460101335766
9564811788141404
10131020142001142
113882436a520759
12128406b8563a1a
1358151b97867a4
14244d5a16d2aa2
15102320427a247
hex77298105bbf6

131020142001142 has 16 divisors (see below), whose sum is σ = 196572355242192. Its totient is φ = 65496024115200.

The previous prime is 131020142001121. The next prime is 131020142001149. The reversal of 131020142001142 is 241100241020131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131020142001149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 678563878 + ... + 678756934.

It is an arithmetic number, because the mean of its divisors is an integer number (12285772202637).

Almost surely, 2131020142001142 is an apocalyptic number.

131020142001142 is a deficient number, since it is larger than the sum of its proper divisors (65552213241050).

131020142001142 is a wasteful number, since it uses less digits than its factorization.

131020142001142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264063.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 131020142001142 its reverse (241100241020131), we get a palindrome (372120383021273).

The spelling of 131020142001142 in words is "one hundred thirty-one trillion, twenty billion, one hundred forty-two million, one thousand, one hundred forty-two".

Divisors: 1 2 5153 10306 65851 131702 193057 386114 339330203 678660406 994822721 1989645442 12712996507 25425993014 65510071000571 131020142001142