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11131072102 = 231179533421
BaseRepresentation
bin10100101110111011…
…01010111001100110
31001201202002001100201
422113131222321212
5140244023301402
65040305301114
7542560360153
oct122735527146
931652061321
1011131072102
1147a2222247
1221a793479a
13108512a0c7
1477846d22a
15452330687
hex29776ae66

11131072102 has 8 divisors (see below), whose sum is σ = 17235208512. Its totient is φ = 5386002600.

The previous prime is 11131072097. The next prime is 11131072123. The reversal of 11131072102 is 20127013111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×111310721022 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11131072102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89766649 + ... + 89766772.

It is an arithmetic number, because the mean of its divisors is an integer number (2154401064).

Almost surely, 211131072102 is an apocalyptic number.

11131072102 is a deficient number, since it is larger than the sum of its proper divisors (6104136410).

11131072102 is a wasteful number, since it uses less digits than its factorization.

11131072102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179533454.

The product of its (nonzero) digits is 84, while the sum is 19.

Adding to 11131072102 its reverse (20127013111), we get a palindrome (31258085213).

The spelling of 11131072102 in words is "eleven billion, one hundred thirty-one million, seventy-two thousand, one hundred two".

Divisors: 1 2 31 62 179533421 359066842 5565536051 11131072102