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1300000111999 = 10726946197973
BaseRepresentation
bin10010111010101110000…
…010110111110101111111
311121021112020120010212021
4102322232002313311333
5132244400012040444
62433113430021011
7162631133426041
oct22725602676577
94537466503767
101300000111999
11461366199356
1218bb474a7767
1395788136404
1446cc55b7a91
1523c38e48584
hex12eae0b7d7f

1300000111999 has 16 divisors (see below), whose sum is σ = 1319897890080. Its totient is φ = 1280266744960.

The previous prime is 1300000111979. The next prime is 1300000112003. The reversal of 1300000111999 is 9991110000031.

It is a cyclic number.

It is not a de Polignac number, because 1300000111999 - 25 = 1300000111967 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 (1300000111919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13219977 + ... + 13317949.

It is an arithmetic number, because the mean of its divisors is an integer number (82493618130).

Almost surely, 21300000111999 is an apocalyptic number.

1300000111999 is a deficient number, since it is larger than the sum of its proper divisors (19897778081).

1300000111999 is a wasteful number, since it uses less digits than its factorization.

1300000111999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98810.

The product of its (nonzero) digits is 2187, while the sum is 34.

The spelling of 1300000111999 in words is "one trillion, three hundred billion, one hundred eleven thousand, nine hundred ninety-nine".

Divisors: 1 107 269 461 28783 49327 97973 124009 10483111 13268963 26354737 45165553 2819956859 4832714171 12149533757 1300000111999