Search a number
-
+
210344444007 = 3233798043457
BaseRepresentation
bin1100001111100110000…
…0011000000001100111
3202002221021011212222020
43003321200120001213
511421241134202012
6240344135234223
721124350162615
oct3037140300147
9662837155866
10210344444007
118122aa56085
1234923b18973
1316ab2498969
14a275ca66b5
1557116bea8c
hex30f9818067

210344444007 has 16 divisors (see below), whose sum is σ = 293425347840. Its totient is φ = 133778760192.

The previous prime is 210344444003. The next prime is 210344444033. The reversal of 210344444007 is 700444443012.

It is not a de Polignac number, because 210344444007 - 22 = 210344444003 is a prime.

It is a super-2 number, since 2×2103444440072 (a number of 23 digits) contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210344444003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3995578 + ... + 4047879.

It is an arithmetic number, because the mean of its divisors is an integer number (18339084240).

Almost surely, 2210344444007 is an apocalyptic number.

210344444007 is a deficient number, since it is larger than the sum of its proper divisors (83080903833).

210344444007 is a wasteful number, since it uses less digits than its factorization.

210344444007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8043862.

The product of its (nonzero) digits is 43008, while the sum is 33.

Adding to 210344444007 its reverse (700444443012), we get a palindrome (910788887019).

The spelling of 210344444007 in words is "two hundred ten billion, three hundred forty-four million, four hundred forty-four thousand, seven".

Divisors: 1 3 23 69 379 1137 8717 26151 8043457 24130371 184999511 554998533 3048470203 9145410609 70114814669 210344444007