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243130004103 = 37107230946861
BaseRepresentation
bin1110001001101110101…
…1010111001010000111
3212020120010222220102210
43202123223113022013
512440412240112403
6303405315434503
723364662636130
oct3423353271207
9766503886383
10243130004103
1194124604698
123b1538b5a33
1319c089a356c
14baa6256c87
1564ceb2eb03
hex389bad7287

243130004103 has 32 divisors (see below), whose sum is σ = 374116216320. Its totient is φ = 137570463360.

The previous prime is 243130004053. The next prime is 243130004107. The reversal of 243130004103 is 301400031342.

It is not a de Polignac number, because 243130004103 - 29 = 243130003591 is a prime.

It is a super-2 number, since 2×2431300041032 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 243130004103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243130004107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5164893 + ... + 5211753.

It is an arithmetic number, because the mean of its divisors is an integer number (11691131760).

Almost surely, 2243130004103 is an apocalyptic number.

243130004103 is a deficient number, since it is larger than the sum of its proper divisors (130986212217).

243130004103 is a wasteful number, since it uses less digits than its factorization.

243130004103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49287.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 243130004103 its reverse (301400031342), we get a palindrome (544530035445).

The spelling of 243130004103 in words is "two hundred forty-three billion, one hundred thirty million, four thousand, one hundred three".

Divisors: 1 3 7 21 107 321 749 2247 2309 6927 16163 46861 48489 140583 247063 328027 741189 984081 1729441 5014127 5188323 15042381 35098889 105296667 108202049 324606147 757414343 2272243029 11577619243 34732857729 81043334701 243130004103