Search a number
-
+
105354132015 = 3511638509891
BaseRepresentation
bin110001000011110011…
…0000111101000101111
3101001221022101102121110
41202013212013220233
53211231124211030
6120222104403103
710416526226556
oct1420746075057
9331838342543
10105354132015
114075372a7a0
1218502a76493
139c1cb401b2
145156186d9d
152b192e41b0
hex1887987a2f

105354132015 has 16 divisors (see below), whose sum is σ = 183890848896. Its totient is φ = 51080791200.

The previous prime is 105354132007. The next prime is 105354132029. The reversal of 105354132015 is 510231453501.

It is not a de Polignac number, because 105354132015 - 23 = 105354132007 is a prime.

It is a super-2 number, since 2×1053541320152 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 319254781 + ... + 319255110.

It is an arithmetic number, because the mean of its divisors is an integer number (11493178056).

Almost surely, 2105354132015 is an apocalyptic number.

105354132015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

105354132015 is a deficient number, since it is larger than the sum of its proper divisors (78536716881).

105354132015 is a wasteful number, since it uses less digits than its factorization.

105354132015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638509910.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 105354132015 its reverse (510231453501), we get a palindrome (615585585516).

The spelling of 105354132015 in words is "one hundred five billion, three hundred fifty-four million, one hundred thirty-two thousand, fifteen".

Divisors: 1 3 5 11 15 33 55 165 638509891 1915529673 3192549455 7023608801 9577648365 21070826403 35118044005 105354132015