Search a number
-
+
23003031214 = 2271148128657
BaseRepresentation
bin10101011011000101…
…100110011010101110
32012101010021001122001
4111123011212122232
5334102233444324
614322322442514
71443015352642
oct253305463256
965333231561
1023003031214
11983467a8a9
12455b80343a
1322278b0a97
14118307ac22
158e970ce44
hex55b1666ae

23003031214 has 16 divisors (see below), whose sum is σ = 34656463296. Its totient is φ = 11450937600.

The previous prime is 23003031203. The next prime is 23003031229. The reversal of 23003031214 is 41213030032.

It is a junction number, because it is equal to n+sod(n) for n = 23003031191 and 23003031200.

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 7 ways as a sum of consecutive naturals, for example, 788374 + ... + 817030.

It is an arithmetic number, because the mean of its divisors is an integer number (2166028956).

Almost surely, 223003031214 is an apocalyptic number.

23003031214 is a deficient number, since it is larger than the sum of its proper divisors (11653432082).

23003031214 is a wasteful number, since it uses less digits than its factorization.

23003031214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30411.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 23003031214 its reverse (41213030032), we get a palindrome (64216061246).

The spelling of 23003031214 in words is "twenty-three billion, three million, thirty-one thousand, two hundred fourteen".

Divisors: 1 2 271 542 1481 2962 28657 57314 401351 802702 7766047 15532094 42441017 84882034 11501515607 23003031214