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1300002111 = 322942111831
BaseRepresentation
bin100110101111100…
…0111010100111111
310100121011221122100
41031133013110333
510130300031421
6332555320143
744133556422
oct11537072477
93317157570
101300002111
116078a9911
12303450053
13179438c25
14c49219b9
15791e0c26
hex4d7c753f

1300002111 has 24 divisors (see below), whose sum is σ = 1947310560. Its totient is φ = 834724800.

The previous prime is 1300002091. The next prime is 1300002131. The reversal of 1300002111 is 1112000031.

It is an interprime number because it is at equal distance from previous prime (1300002091) and next prime (1300002131).

It is not a de Polignac number, because 1300002111 - 25 = 1300002079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 1300002093 and 1300002102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1300002131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103966 + ... + 115796.

It is an arithmetic number, because the mean of its divisors is an integer number (81137940).

Almost surely, 21300002111 is an apocalyptic number.

1300002111 is a deficient number, since it is larger than the sum of its proper divisors (647308449).

1300002111 is a wasteful number, since it uses less digits than its factorization.

1300002111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12287 (or 12284 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 1300002111 is about 36055.5420289309. The cubic root of 1300002111 is about 1091.3934738122.

Adding to 1300002111 its reverse (1112000031), we get a palindrome (2412002142).

The spelling of 1300002111 in words is "one billion, three hundred million, two thousand, one hundred eleven".

Divisors: 1 3 9 29 87 261 421 1263 3789 11831 12209 35493 36627 106479 109881 343099 1029297 3087891 4980851 14942553 44827659 144444679 433334037 1300002111