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5230350021 = 313434766359
BaseRepresentation
bin1001101111100000…
…01100111011000101
3111111111211022101110
410313300030323011
541202432200041
62223000315233
7243420145611
oct46760147305
914444738343
105230350021
11224443a426
12101b772b19
136547b1290
14378904341
152092a8516
hex137c0cec5

5230350021 has 32 divisors (see below), whose sum is σ = 7848529920. Its totient is φ = 3076887744.

The previous prime is 5230350017. The next prime is 5230350053. The reversal of 5230350021 is 1200530325.

It is not a de Polignac number, because 5230350021 - 22 = 5230350017 is a prime.

It is a super-2 number, since 2×52303500212 = 54713122684349400882, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5230350021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5230350011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45640 + ... + 111998.

It is an arithmetic number, because the mean of its divisors is an integer number (245266560).

Almost surely, 25230350021 is an apocalyptic number.

It is an amenable number.

5230350021 is a deficient number, since it is larger than the sum of its proper divisors (2618179899).

5230350021 is a wasteful number, since it uses less digits than its factorization.

5230350021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66465.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 5230350021 is about 72321.1588748410. The cubic root of 5230350021 is about 1735.8422352905.

Adding to 5230350021 its reverse (1200530325), we get a palindrome (6430880346).

The spelling of 5230350021 in words is "five billion, two hundred thirty million, three hundred fifty thousand, twenty-one".

Divisors: 1 3 13 39 43 47 129 141 559 611 1677 1833 2021 6063 26273 66359 78819 199077 862667 2588001 2853437 3118873 8560311 9356619 37094681 40545349 111284043 121636047 134111539 402334617 1743450007 5230350021