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131202222441402 = 23723135820106047
BaseRepresentation
bin11101110101001111100101…
…110111001100001110111010
3122012112210212110122010012210
4131311033211313030032322
5114144104122421111102
61143013245141115550
736431022244641510
oct3565174567141672
9565483773563183
10131202222441402
1138894606151452
121286ba529b8bb6
13582941642ac78
1424583159264b0
151027d0e43536c
hex7753e5dcc3ba

131202222441402 has 32 divisors (see below), whose sum is σ = 312929524334592. Its totient is φ = 35856507996144.

The previous prime is 131202222441337. The next prime is 131202222441419. The reversal of 131202222441402 is 204144222202131.

It is a self number, because there is not a number n which added to its sum of digits gives 131202222441402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67910052058 + ... + 67910053989.

It is an arithmetic number, because the mean of its divisors is an integer number (9779047635456).

Almost surely, 2131202222441402 is an apocalyptic number.

131202222441402 is an abundant number, since it is smaller than the sum of its proper divisors (181727301893190).

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

131202222441402 is a wasteful number, since it uses less digits than its factorization.

131202222441402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135820106082.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 131202222441402 its reverse (204144222202131), we get a palindrome (335346444643533).

The spelling of 131202222441402 in words is "one hundred thirty-one trillion, two hundred two billion, two hundred twenty-two million, four hundred forty-one thousand, four hundred two".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 135820106047 271640212094 407460318141 814920636282 950740742329 1901481484658 2852222226987 3123862439081 5704444453974 6247724878162 9371587317243 18743174634486 21867037073567 43734074147134 65601111220701 131202222441402