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1242011204 = 22744357543
BaseRepresentation
bin100101000000111…
…1001011001000100
310012120001201001222
41022001321121010
510020423324304
6323124335512
742530630630
oct11201713104
93176051058
101242011204
115880a0445
122a7b44598
1316a413595
14bad47dc0
15740884be
hex4a079644

1242011204 has 12 divisors (see below), whose sum is σ = 2484022464. Its totient is φ = 532290504.

The previous prime is 1242011203. The next prime is 1242011213. The reversal of 1242011204 is 4021102421.

1242011204 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1242011203) 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, 22178744 + ... + 22178799.

It is an arithmetic number, because the mean of its divisors is an integer number (207001872).

Almost surely, 21242011204 is an apocalyptic number.

1242011204 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1242011204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1242011204 is a wasteful number, since it uses less digits than its factorization.

1242011204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44357554 (or 44357552 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 1242011204 is about 35242.1793310232. The cubic root of 1242011204 is about 1074.9175935389.

Adding to 1242011204 its reverse (4021102421), we get a palindrome (5263113625).

The spelling of 1242011204 in words is "one billion, two hundred forty-two million, eleven thousand, two hundred four".

Divisors: 1 2 4 7 14 28 44357543 88715086 177430172 310502801 621005602 1242011204