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1242232012 = 22744365429
BaseRepresentation
bin100101000001010…
…1111010011001100
310012120110220222001
41022002233103030
510021002411022
6323133202044
742532540450
oct11202572314
93176426861
101242232012
1158823132a
122a8030324
1316a48cc38
14bada4660
15740cdb27
hex4a0af4cc

1242232012 has 12 divisors (see below), whose sum is σ = 2484464080. Its totient is φ = 532385136.

The previous prime is 1242231953. The next prime is 1242232037. The reversal of 1242232012 is 2102322421.

1242232012 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22182687 + ... + 22182742.

Almost surely, 21242232012 is an apocalyptic number.

It is an amenable number.

1242232012 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.

1242232012 is a wasteful number, since it uses less digits than its factorization.

1242232012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44365440 (or 44365438 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 1242232012 is about 35245.3119152037. The cubic root of 1242232012 is about 1074.9812903180.

Adding to 1242232012 its reverse (2102322421), we get a palindrome (3344554433).

The spelling of 1242232012 in words is "one billion, two hundred forty-two million, two hundred thirty-two thousand, twelve".

Divisors: 1 2 4 7 14 28 44365429 88730858 177461716 310558003 621116006 1242232012