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2141232109 is a prime number
BaseRepresentation
bin111111110100000…
…1001101111101101
312112020002212020221
41333220021233231
513341123411414
6552250011341
7104030113132
oct17750115755
95466085227
102141232109
119a9740415
124b9116b51
132817c6463
14164540589
15c7eae224
hex7fa09bed

2141232109 has 2 divisors, whose sum is σ = 2141232110. Its totient is φ = 2141232108.

The previous prime is 2141232089. The next prime is 2141232133. The reversal of 2141232109 is 9012321412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1590015625 + 551216484 = 39875^2 + 23478^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141232109 - 227 = 2007014381 is a prime.

It is a super-2 number, since 2×21412321092 = 9169749889225175762, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2141232169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070616054 + 1070616055.

It is an arithmetic number, because the mean of its divisors is an integer number (1070616055).

Almost surely, 22141232109 is an apocalyptic number.

It is an amenable number.

2141232109 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141232109 is an equidigital number, since it uses as much as digits as its factorization.

2141232109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2141232109 is about 46273.4492879016. The cubic root of 2141232109 is about 1288.9060109863.

The spelling of 2141232109 in words is "two billion, one hundred forty-one million, two hundred thirty-two thousand, one hundred nine".