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11889948115 = 521164717419
BaseRepresentation
bin10110001001011001…
…00011010111010011
31010200122000221112201
423010230203113103
5143322311314430
65243454504031
7600433614523
oct130454432723
933618027481
1011889948115
115051625001
122379b05017
131176411976
1480b171683
15498c828ca
hex2c4b235d3

11889948115 has 16 divisors (see below), whose sum is σ = 14358539520. Its totient is φ = 9451703520.

The previous prime is 11889948107. The next prime is 11889948139. The reversal of 11889948115 is 51184998811.

11889948115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11889948115 - 23 = 11889948107 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673876 + ... + 691294.

It is an arithmetic number, because the mean of its divisors is an integer number (897408720).

Almost surely, 211889948115 is an apocalyptic number.

11889948115 is a deficient number, since it is larger than the sum of its proper divisors (2468591405).

11889948115 is a wasteful number, since it uses less digits than its factorization.

11889948115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18282.

The product of its digits is 829440, while the sum is 55.

The spelling of 11889948115 in words is "eleven billion, eight hundred eighty-nine million, nine hundred forty-eight thousand, one hundred fifteen".

Divisors: 1 5 211 647 1055 3235 17419 87095 136517 682585 3675409 11270093 18377045 56350465 2377989623 11889948115