Search a number
-
+
312440112110203 = 71110339394794113
BaseRepresentation
bin100011100001010011010000…
…1111001010101101001111011
31111222020222112121121101102121
41013002212201321111221323
5311423004322200011303
63024301001144142111
7122545024145635240
oct10702464171255173
91458228477541377
10312440112110203
119060a11aa97820
122b060ba1467937
1310544c8c7a8c8c
145722279a095c7
15261c43e9079bd
hex11c29a1e55a7b

312440112110203 has 16 divisors (see below), whose sum is σ = 393317624434176. Its totient is φ = 241096139965440.

The previous prime is 312440112110197. The next prime is 312440112110221. The reversal of 312440112110203 is 302011211044213.

It is a cyclic number.

It is not a de Polignac number, because 312440112110203 - 213 = 312440112102011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312440112110293) 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, 19697389126 + ... + 19697404987.

It is an arithmetic number, because the mean of its divisors is an integer number (24582351527136).

Almost surely, 2312440112110203 is an apocalyptic number.

312440112110203 is a deficient number, since it is larger than the sum of its proper divisors (80877512323973).

312440112110203 is a wasteful number, since it uses less digits than its factorization.

312440112110203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39394794234.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 312440112110203 its reverse (302011211044213), we get a palindrome (614451323154416).

The spelling of 312440112110203 in words is "three hundred twelve trillion, four hundred forty billion, one hundred twelve million, one hundred ten thousand, two hundred three".

Divisors: 1 7 11 77 103 721 1133 7931 39394794113 275763558791 433342735243 3033399146701 4057663793639 28403646555473 44634301730029 312440112110203