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1800245029 = 11237115593
BaseRepresentation
bin110101101001101…
…1000111100100101
311122110110220220211
41223103120330211
512141330320104
6454345255421
762416554532
oct15323307445
94573426824
101800245029
11844211810
12422a94571
13228c7775b
1413113bd89
15a80a5e04
hex6b4d8f25

1800245029 has 8 divisors (see below), whose sum is σ = 2049291072. Its totient is φ = 1565430240.

The previous prime is 1800244991. The next prime is 1800245071. The reversal of 1800245029 is 9205420081.

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

It is not a de Polignac number, because 1800245029 - 29 = 1800244517 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 (1800225029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3557544 + ... + 3558049.

It is an arithmetic number, because the mean of its divisors is an integer number (256161384).

Almost surely, 21800245029 is an apocalyptic number.

It is an amenable number.

1800245029 is a deficient number, since it is larger than the sum of its proper divisors (249046043).

1800245029 is a wasteful number, since it uses less digits than its factorization.

1800245029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7115627.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 1800245029 is about 42429.2944673842. The cubic root of 1800245029 is about 1216.4955934944.

The spelling of 1800245029 in words is "one billion, eight hundred million, two hundred forty-five thousand, twenty-nine".

Divisors: 1 11 23 253 7115593 78271523 163658639 1800245029