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11880340819 = 791491009289
BaseRepresentation
bin10110001000001111…
…11001110101010011
31010122221221211210221
423010013321311103
5143312331401234
65242512533511
7600256142104
oct130407716523
933587854727
1011880340819
115047162996
122376851297
131174429a89
14809b903ab
15497ed5eb4
hex2c41f9d53

11880340819 has 8 divisors (see below), whose sum is σ = 12111480000. Its totient is φ = 11651220672.

The previous prime is 11880340807. The next prime is 11880340847. The reversal of 11880340819 is 91804308811.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 11880340819 - 227 = 11746123091 is a prime.

It is a super-2 number, since 2×118803408192 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11880340889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 492874 + ... + 516415.

It is an arithmetic number, because the mean of its divisors is an integer number (1513935000).

Almost surely, 211880340819 is an apocalyptic number.

11880340819 is a deficient number, since it is larger than the sum of its proper divisors (231139181).

11880340819 is a wasteful number, since it uses less digits than its factorization.

11880340819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009517.

The product of its (nonzero) digits is 55296, while the sum is 43.

The spelling of 11880340819 in words is "eleven billion, eight hundred eighty million, three hundred forty thousand, eight hundred nineteen".

Divisors: 1 79 149 11771 1009289 79733831 150384061 11880340819