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11810881096 = 237792669729
BaseRepresentation
bin10101111111111101…
…11011111001001000
31010111010020220222121
422333332323321020
5143142041143341
65231552101024
7565453555450
oct127776737110
933433226877
1011810881096
115010a30863
122357534774
131162c1a151
1480086cd60
15491d654d1
hex2bffbbe48

11810881096 has 32 divisors (see below), whose sum is σ = 25629408000. Its totient is φ = 4997730816.

The previous prime is 11810881091. The next prime is 11810881109. The reversal of 11810881096 is 69018801811.

It is a happy number.

It is a super-2 number, since 2×118108810962 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11810881091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1330441 + ... + 1339288.

It is an arithmetic number, because the mean of its divisors is an integer number (800919000).

Almost surely, 211810881096 is an apocalyptic number.

It is an amenable number.

11810881096 is an abundant number, since it is smaller than the sum of its proper divisors (13818526904).

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

11810881096 is a wasteful number, since it uses less digits than its factorization.

11810881096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2669821 (or 2669817 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 43.

The spelling of 11810881096 in words is "eleven billion, eight hundred ten million, eight hundred eighty-one thousand, ninety-six".

Divisors: 1 2 4 7 8 14 28 56 79 158 316 553 632 1106 2212 4424 2669729 5339458 10678916 18688103 21357832 37376206 74752412 149504824 210908591 421817182 843634364 1476360137 1687268728 2952720274 5905440548 11810881096