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11101214440 = 235277530361
BaseRepresentation
bin10100101011010111…
…10001011011101000
31001122122220010100101
422111223301123220
5140213402330230
65033321315144
7542045523451
oct122553613350
931578803311
1011101214440
114787389798
122199935ab4
13107bba4b54
147744da128
1544e8d3aca
hex295af16e8

11101214440 has 16 divisors (see below), whose sum is σ = 24977732580. Its totient is φ = 4440485760.

The previous prime is 11101214429. The next prime is 11101214473. The reversal of 11101214440 is 4441210111.

It can be written as a sum of positive squares in 2 ways, for example, as 11025420004 + 75794436 = 105002^2 + 8706^2 .

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, 138765141 + ... + 138765220.

Almost surely, 211101214440 is an apocalyptic number.

11101214440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11101214440 is an abundant number, since it is smaller than the sum of its proper divisors (13876518140).

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

11101214440 is a wasteful number, since it uses less digits than its factorization.

11101214440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277530372 (or 277530368 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 11101214440 its reverse (4441210111), we get a palindrome (15542424551).

The spelling of 11101214440 in words is "eleven billion, one hundred one million, two hundred fourteen thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 277530361 555060722 1110121444 1387651805 2220242888 2775303610 5550607220 11101214440