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13042230243 = 373791638677
BaseRepresentation
bin11000010010110000…
…01010001111100011
31020122221020221110120
430021120022033203
5203202302331433
65554100131323
7641125061610
oct141130121743
936587227416
1013042230243
115592aa9689
12263b996b43
1312cb069703
148ba1dd507
15514ee47b3
hex30960a3e3

13042230243 has 16 divisors (see below), whose sum is σ = 19926324480. Its totient is φ = 7433034336.

The previous prime is 13042230241. The next prime is 13042230259. The reversal of 13042230243 is 34203224031.

It is not a de Polignac number, because 13042230243 - 21 = 13042230241 is a prime.

It is a super-2 number, since 2×130422302432 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13042230241) 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, 811380 + ... + 827297.

It is an arithmetic number, because the mean of its divisors is an integer number (1245395280).

Almost surely, 213042230243 is an apocalyptic number.

13042230243 is a deficient number, since it is larger than the sum of its proper divisors (6884094237).

13042230243 is a wasteful number, since it uses less digits than its factorization.

13042230243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1639066.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 13042230243 its reverse (34203224031), we get a palindrome (47245454274).

The spelling of 13042230243 in words is "thirteen billion, forty-two million, two hundred thirty thousand, two hundred forty-three".

Divisors: 1 3 7 21 379 1137 2653 7959 1638677 4916031 11470739 34412217 621058583 1863175749 4347410081 13042230243