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11914869190 = 257170212417
BaseRepresentation
bin10110001100010111…
…00111100111000110
31010202100221001211111
423012023213213012
5143400201303230
65250144555234
7601155500650
oct130613474706
933670831744
1011914869190
1150646a6634
122386322b1a
13117b628c73
148105bb6d0
1549b05692a
hex2c62e79c6

11914869190 has 16 divisors (see below), whose sum is σ = 24510588192. Its totient is φ = 4085097984.

The previous prime is 11914869173. The next prime is 11914869199. The reversal of 11914869190 is 9196841911.

It is a super-2 number, since 2×119148691902 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11914869199) 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, 85106139 + ... + 85106278.

It is an arithmetic number, because the mean of its divisors is an integer number (1531911762).

Almost surely, 211914869190 is an apocalyptic number.

11914869190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11914869190 is an abundant number, since it is smaller than the sum of its proper divisors (12595719002).

11914869190 is a wasteful number, since it uses less digits than its factorization.

11914869190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170212431.

The product of its (nonzero) digits is 139968, while the sum is 49.

The spelling of 11914869190 in words is "eleven billion, nine hundred fourteen million, eight hundred sixty-nine thousand, one hundred ninety".

Divisors: 1 2 5 7 10 14 35 70 170212417 340424834 851062085 1191486919 1702124170 2382973838 5957434595 11914869190