Search a number
-
+
11380143895 = 5232910731891
BaseRepresentation
bin10101001100100111…
…10011011100010111
31002101002202012121221
422212103303130113
5141301304101040
65121123551211
7552003425041
oct124623633427
932332665557
1011380143895
11490a8815aa
12225722b507
1310c4906173
1479d586a91
1546912e74a
hex2a64f3717

11380143895 has 32 divisors (see below), whose sum is σ = 14879531520. Its totient is φ = 8329157760.

The previous prime is 11380143883. The next prime is 11380143899. The reversal of 11380143895 is 59834108311.

It is not a de Polignac number, because 11380143895 - 213 = 11380135703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11380143899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 340900 + ... + 372790.

It is an arithmetic number, because the mean of its divisors is an integer number (464985360).

Almost surely, 211380143895 is an apocalyptic number.

11380143895 is a deficient number, since it is larger than the sum of its proper divisors (3499387625).

11380143895 is a wasteful number, since it uses less digits than its factorization.

11380143895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32055.

The product of its (nonzero) digits is 103680, while the sum is 43.

The spelling of 11380143895 in words is "eleven billion, three hundred eighty million, one hundred forty-three thousand, eight hundred ninety-five".

Divisors: 1 5 23 29 107 115 145 535 667 2461 3103 3335 12305 15515 31891 71369 159455 356845 733493 924839 3412337 3667465 4624195 17061685 21271297 78483751 98957773 106356485 392418755 494788865 2276028779 11380143895