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11915040116 = 227260791021
BaseRepresentation
bin10110001100011000…
…10001010101110100
31010202101020202022002
423012030101111310
5143400222240431
65250152354432
7601160112200
oct130614212564
933671222262
1011915040116
115064802aa1
1223863a5a18
13117b6889c5
14810623b00
1549b08c3cb
hex2c6311574

11915040116 has 18 divisors (see below), whose sum is σ = 24255617778. Its totient is φ = 5106445680.

The previous prime is 11915040101. The next prime is 11915040133. The reversal of 11915040116 is 61104051911.

It can be written as a sum of positive squares in only one way, i.e., 11891030116 + 24010000 = 109046^2 + 4900^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30395315 + ... + 30395706.

It is an arithmetic number, because the mean of its divisors is an integer number (1347534321).

Almost surely, 211915040116 is an apocalyptic number.

It is an amenable number.

11915040116 is an abundant number, since it is smaller than the sum of its proper divisors (12340577662).

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

11915040116 is a wasteful number, since it uses less digits than its factorization.

11915040116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60791039 (or 60791030 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 29.

The spelling of 11915040116 in words is "eleven billion, nine hundred fifteen million, forty thousand, one hundred sixteen".

Divisors: 1 2 4 7 14 28 49 98 196 60791021 121582042 243164084 425537147 851074294 1702148588 2978760029 5957520058 11915040116