Search a number
-
+
210431451103 = 8911320923879
BaseRepresentation
bin1100001111111010110…
…0010001111111011111
3202010011022220022021021
43003332230101333133
511421430422413403
6240400524145011
721126454551616
oct3037654217737
9663138808237
10210431451103
1181275082875
1234949098167
1316ac7510553
14a28367487d
1557191598bd
hex30feb11fdf

210431451103 has 8 divisors (see below), whose sum is σ = 214679008800. Its totient is φ = 206225741568.

The previous prime is 210431451019. The next prime is 210431451163. The reversal of 210431451103 is 301154134012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 210431451103 - 213 = 210431442911 is a prime.

It is a super-2 number, since 2×2104314511032 (a number of 23 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 (210431451163) 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, 10451883 + ... + 10471996.

It is an arithmetic number, because the mean of its divisors is an integer number (26834876100).

Almost surely, 2210431451103 is an apocalyptic number.

210431451103 is a deficient number, since it is larger than the sum of its proper divisors (4247557697).

210431451103 is a wasteful number, since it uses less digits than its factorization.

210431451103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20924081.

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 210431451103 its reverse (301154134012), we get a palindrome (511585585115).

The spelling of 210431451103 in words is "two hundred ten billion, four hundred thirty-one million, four hundred fifty-one thousand, one hundred three".

Divisors: 1 89 113 10057 20923879 1862225231 2364398327 210431451103