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11151151050 = 23521329316361
BaseRepresentation
bin10100110001010100…
…10000111111001010
31001210010212011111110
422120222100333022
5140314143313200
65042303511150
7543223135314
oct123052207712
931703764443
1011151151050
114802596916
1221b25b84b6
13108933a440
1477adb87b4
15453e99b50
hex298a90fca

11151151050 has 192 divisors, whose sum is σ = 31807964160. Its totient is φ = 2564352000.

The previous prime is 11151151009. The next prime is 11151151073. The reversal of 11151151050 is 5015115111.

It is a super-2 number, since 2×111511510502 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1749870 + ... + 1756230.

It is an arithmetic number, because the mean of its divisors is an integer number (165666480).

Almost surely, 211151151050 is an apocalyptic number.

11151151050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11151151050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15903982080).

11151151050 is an abundant number, since it is smaller than the sum of its proper divisors (20656813110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11151151050 is a wasteful number, since it uses less digits than its factorization.

11151151050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6449 (or 6444 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 21.

Adding to 11151151050 its reverse (5015115111), we get a palindrome (16166266161).

The spelling of 11151151050 in words is "eleven billion, one hundred fifty-one million, one hundred fifty-one thousand, fifty".