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2102431041 = 32281831329
BaseRepresentation
bin111110101010000…
…1000110101000001
312102112002120012100
41331110020311001
513301210243131
6544342221013
7103046240364
oct17524106501
95375076170
102102431041
11989849617
124a8124769
1327675c549
1415d3200db
15c48977e6
hex7d508d41

2102431041 has 12 divisors (see below), whose sum is σ = 3047655780. Its totient is φ = 1396631040.

The previous prime is 2102431039. The next prime is 2102431043. The reversal of 2102431041 is 1401342012.

It is an interprime number because it is at equal distance from previous prime (2102431039) and next prime (2102431043).

It can be written as a sum of positive squares in 2 ways, for example, as 1272991041 + 829440000 = 35679^2 + 28800^2 .

It is not a de Polignac number, because 2102431041 - 21 = 2102431039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2102431043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 413136 + ... + 418193.

It is an arithmetic number, because the mean of its divisors is an integer number (253971315).

Almost surely, 22102431041 is an apocalyptic number.

It is an amenable number.

2102431041 is a deficient number, since it is larger than the sum of its proper divisors (945224739).

2102431041 is a wasteful number, since it uses less digits than its factorization.

2102431041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831616 (or 831613 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2102431041 is about 45852.2741093612. The cubic root of 2102431041 is about 1281.0731237063.

Adding to 2102431041 its reverse (1401342012), we get a palindrome (3503773053).

The spelling of 2102431041 in words is "two billion, one hundred two million, four hundred thirty-one thousand, forty-one".

Divisors: 1 3 9 281 843 2529 831329 2493987 7481961 233603449 700810347 2102431041