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131142103341402 = 2385287125627577
BaseRepresentation
bin11101110100010111100110…
…011111000001100101011010
3122012100001200122221101222110
4131310113212133001211122
5114142113011423411102
61142525503420133150
736423463401011466
oct3564274637014532
9565301618841873
10131142103341402
113887106551783a
12128602750971b6
13582385510070a
14245545130d4a6
15102649150886c
hex7745e67c195a

131142103341402 has 16 divisors (see below), whose sum is σ = 262284524448192. Its totient is φ = 43713981486240.

The previous prime is 131142103341401. The next prime is 131142103341421. The reversal of 131142103341402 is 204143301241131.

It is a super-2 number, since 2×1311421033414022 (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131142103341402.

It is not an unprimeable number, because it can be changed into a prime (131142103341401) 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, 7696563 + ... + 17931014.

It is an arithmetic number, because the mean of its divisors is an integer number (16392782778012).

Almost surely, 2131142103341402 is an apocalyptic number.

131142103341402 is an abundant number, since it is smaller than the sum of its proper divisors (131142421106790).

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

131142103341402 is a wasteful number, since it uses less digits than its factorization.

131142103341402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26480453.

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

Adding to 131142103341402 its reverse (204143301241131), we get a palindrome (335285404582533).

The spelling of 131142103341402 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred three million, three hundred forty-one thousand, four hundred two".

Divisors: 1 2 3 6 852871 1705742 2558613 5117226 25627577 51255154 76882731 153765462 21857017223567 43714034447134 65571051670701 131142103341402