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1244040029 = 19451914489
BaseRepresentation
bin100101000100110…
…1000101101011101
310012200212210002122
41022021220231131
510021433240104
6323240032325
742554110601
oct11211505535
93180783078
101244040029
11589256761
122a87626a5
1316a973b7b
14bb315501
15743396be
hex4a268b5d

1244040029 has 8 divisors (see below), whose sum is σ = 1309896000. Its totient is φ = 1178222112.

The previous prime is 1244040023. The next prime is 1244040037. The reversal of 1244040029 is 9200404421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1244040029 - 216 = 1243974493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244040023) 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, 78617 + ... + 93105.

It is an arithmetic number, because the mean of its divisors is an integer number (163737000).

Almost surely, 21244040029 is an apocalyptic number.

1244040029 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1244040029 is a deficient number, since it is larger than the sum of its proper divisors (65855971).

1244040029 is a wasteful number, since it uses less digits than its factorization.

1244040029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19027.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1244040029 is about 35270.9516316189. The cubic root of 1244040029 is about 1075.5025676787.

The spelling of 1244040029 in words is "one billion, two hundred forty-four million, forty thousand, twenty-nine".

Divisors: 1 19 4519 14489 85861 275291 65475791 1244040029