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1234404541420 = 22561720227071
BaseRepresentation
bin10001111101101000001…
…111101000001111101100
311101000012202220220022021
4101331220033220033230
5130211030030311140
62343024433155524
7155116460323351
oct21755017501754
94330182826267
101234404541420
114365652012a6
1217b29b6bbba4
138c533342c1b
1443a61910628
152219a348b4a
hex11f683e83ec

1234404541420 has 12 divisors (see below), whose sum is σ = 2592249537024. Its totient is φ = 493761816560.

The previous prime is 1234404541367. The next prime is 1234404541421. The reversal of 1234404541420 is 241454044321.

It is not an unprimeable number, because it can be changed into a prime (1234404541421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30860113516 + ... + 30860113555.

It is an arithmetic number, because the mean of its divisors is an integer number (216020794752).

Almost surely, 21234404541420 is an apocalyptic number.

1234404541420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234404541420 is an abundant number, since it is smaller than the sum of its proper divisors (1357844995604).

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

1234404541420 is a wasteful number, since it uses less digits than its factorization.

1234404541420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61720227080 (or 61720227078 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 1234404541420 its reverse (241454044321), we get a palindrome (1475858585741).

The spelling of 1234404541420 in words is "one trillion, two hundred thirty-four billion, four hundred four million, five hundred forty-one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 61720227071 123440454142 246880908284 308601135355 617202270710 1234404541420