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12412040442 = 2317121686671
BaseRepresentation
bin10111000111101000…
…01011010011111010
31012001000102222120120
423203310023103322
5200404440243232
65411345034110
7616403413554
oct134364132372
935030388516
1012412040442
11529a30076a
1224a4925936
13122a630639
1485a6384d4
154c9a1192c
hex2e3d0b4fa

12412040442 has 16 divisors (see below), whose sum is σ = 26284321152. Its totient is φ = 3893973440.

The previous prime is 12412040419. The next prime is 12412040471. The reversal of 12412040442 is 24404021421.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60843234 + ... + 60843437.

It is an arithmetic number, because the mean of its divisors is an integer number (1642770072).

Almost surely, 212412040442 is an apocalyptic number.

12412040442 is an abundant number, since it is smaller than the sum of its proper divisors (13872280710).

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

12412040442 is a wasteful number, since it uses less digits than its factorization.

12412040442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121686693.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 12412040442 its reverse (24404021421), we get a palindrome (36816061863).

The spelling of 12412040442 in words is "twelve billion, four hundred twelve million, forty thousand, four hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 121686671 243373342 365060013 730120026 2068673407 4137346814 6206020221 12412040442