Search a number
-
+
14215144031 = 1117478291951
BaseRepresentation
bin11010011110100100…
…11110001001011111
31100200200022010200222
431033102132021133
5213103034102111
610310315511555
71012156505414
oct151722361137
940620263628
1014215144031
116035095120
1229087585bb
13145706923a
1498bcbc10b
15582e7e7db
hex34f49e25f

14215144031 has 32 divisors (see below), whose sum is σ = 16797818880. Its totient is φ = 11883456000.

The previous prime is 14215144007. The next prime is 14215144033. The reversal of 14215144031 is 13044151241.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14215144031 is a prime.

It is a super-2 number, since 2×142151440312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14215144033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7285106 + ... + 7287056.

It is an arithmetic number, because the mean of its divisors is an integer number (524931840).

Almost surely, 214215144031 is an apocalyptic number.

14215144031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14215144031 is a deficient number, since it is larger than the sum of its proper divisors (2582674849).

14215144031 is a wasteful number, since it uses less digits than its factorization.

14215144031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2855.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 14215144031 its reverse (13044151241), we get a palindrome (27259295272).

The spelling of 14215144031 in words is "fourteen billion, two hundred fifteen million, one hundred forty-four thousand, thirty-one".

Divisors: 1 11 17 47 187 517 799 829 1951 8789 9119 14093 21461 33167 38963 91697 155023 364837 428593 662371 1008667 1558849 1617379 7286081 17147339 17791169 27495443 76016813 302449873 836184943 1292285821 14215144031