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23243103442 = 2134121804037
BaseRepresentation
bin10101101001011001…
…011001110011010010
32012222211222222211001
4111221121121303102
5340100213302232
614402220212214
71451662055656
oct255131316322
965884888731
1023243103442
1199481426a9
12460809a06a
132265558760
1411a6cd0a66
159108306e7
hex569659cd2

23243103442 has 16 divisors (see below), whose sum is σ = 38462323032. Its totient is φ = 10465937280.

The previous prime is 23243103439. The next prime is 23243103451. The reversal of 23243103442 is 24430134232.

It can be written as a sum of positive squares in 4 ways, for example, as 14354196481 + 8888906961 = 119809^2 + 94281^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 23243103442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10900953 + ... + 10903084.

Almost surely, 223243103442 is an apocalyptic number.

23243103442 is a deficient number, since it is larger than the sum of its proper divisors (15219219590).

23243103442 is a wasteful number, since it uses less digits than its factorization.

23243103442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21804093.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 23243103442 its reverse (24430134232), we get a palindrome (47673237674).

The spelling of 23243103442 in words is "twenty-three billion, two hundred forty-three million, one hundred three thousand, four hundred forty-two".

Divisors: 1 2 13 26 41 82 533 1066 21804037 43608074 283452481 566904962 893965517 1787931034 11621551721 23243103442