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12142400112042 = 232387988406609
BaseRepresentation
bin1011000010110001111101…
…1100100000010110101010
31120222210122202000022022020
42300230133130200112222
53042420113412041132
641454050330405310
72362154665003014
oct260543734402652
946883582008266
1012142400112042
113961621347712
121441341290836
136a103c5a9505
142dd9a3c991b4
15160cb96db52c
hexb0b1f7205aa

12142400112042 has 16 divisors (see below), whose sum is σ = 25340661103680. Its totient is φ = 3871489890752.

The previous prime is 12142400111981. The next prime is 12142400112043. The reversal of 12142400112042 is 24021100424121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12142400112043) 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, 43994203167 + ... + 43994203442.

It is an arithmetic number, because the mean of its divisors is an integer number (1583791318980).

Almost surely, 212142400112042 is an apocalyptic number.

12142400112042 is an abundant number, since it is smaller than the sum of its proper divisors (13198260991638).

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

12142400112042 is a wasteful number, since it uses less digits than its factorization.

12142400112042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87988406637.

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 12142400112042 its reverse (24021100424121), we get a palindrome (36163500536163).

The spelling of 12142400112042 in words is "twelve trillion, one hundred forty-two billion, four hundred million, one hundred twelve thousand, forty-two".

Divisors: 1 2 3 6 23 46 69 138 87988406609 175976813218 263965219827 527930439654 2023733352007 4047466704014 6071200056021 12142400112042