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13440000190 = 256791197909
BaseRepresentation
bin11001000010001011…
…00010000010111110
31021200122201202020211
430201011202002332
5210011120001230
610101345503034
7654025055011
oct144105420276
937618652224
1013440000190
115777591081
122731041a7a
1313625a9c46
14916d83378
15539db742a
hex3211620be

13440000190 has 16 divisors (see below), whose sum is σ = 24195684960. Its totient is φ = 5375181280.

The previous prime is 13440000173. The next prime is 13440000193. The reversal of 13440000190 is 9100004431.

It is a super-2 number, since 2×134400001902 (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 (13440000193) 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, 31045 + ... + 166864.

It is an arithmetic number, because the mean of its divisors is an integer number (1512230310).

Almost surely, 213440000190 is an apocalyptic number.

13440000190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13440000190 is a deficient number, since it is larger than the sum of its proper divisors (10755684770).

13440000190 is a wasteful number, since it uses less digits than its factorization.

13440000190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204707.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 13440000190 in words is "thirteen billion, four hundred forty million, one hundred ninety", and thus it is an aban number.

Divisors: 1 2 5 10 6791 13582 33955 67910 197909 395818 989545 1979090 1344000019 2688000038 6720000095 13440000190