Search a number
-
+
1111313211001 = 7317190587071
BaseRepresentation
bin10000001010111111011…
…011011101111001111001
310221020111022212102200121
4100022333123131321321
5121201432140223001
62210310310533241
7143201243302000
oct20127733357171
93836438772617
101111313211001
1139933a376954
1215b468667221
1380a47877976
143bb05bc9c37
151dd93cad6a1
hex102bf6dde79

1111313211001 has 16 divisors (see below), whose sum is σ = 1372226918400. Its totient is φ = 896521577280.

The previous prime is 1111313210963. The next prime is 1111313211011. The reversal of 1111313211001 is 1001123131111.

It is not a de Polignac number, because 1111313211001 - 29 = 1111313210489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1111313211011) 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, 95287705 + ... + 95299366.

It is an arithmetic number, because the mean of its divisors is an integer number (85764182400).

Almost surely, 21111313211001 is an apocalyptic number.

It is an amenable number.

1111313211001 is a deficient number, since it is larger than the sum of its proper divisors (260913707399).

1111313211001 is an equidigital number, since it uses as much as digits as its factorization.

1111313211001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190587109 (or 190587095 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 1111313211001 its reverse (1001123131111), we get a palindrome (2112436342112).

The spelling of 1111313211001 in words is "one trillion, one hundred eleven billion, three hundred thirteen million, two hundred eleven thousand, one".

Divisors: 1 7 17 49 119 343 833 5831 190587071 1334109497 3239980207 9338766479 22679861449 65371365353 158759030143 1111313211001