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23013442434 = 2341523178873
BaseRepresentation
bin10101011011101101…
…010100001110000010
32012101211212000010210
4111123231110032002
5334112420124214
614323333534550
71443203014233
oct253355241602
965354760123
1023013442434
11983a540a14
1245631a4456
132229ab7878
1411845cb08a
158ea5b7b59
hex55bb54382

23013442434 has 32 divisors (see below), whose sum is σ = 47239907904. Its totient is φ = 7469694720.

The previous prime is 23013442433. The next prime is 23013442457. The reversal of 23013442434 is 43424431032.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (23013442433) 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 15 ways as a sum of consecutive naturals, for example, 39222 + ... + 218094.

It is an arithmetic number, because the mean of its divisors is an integer number (1476247122).

Almost surely, 223013442434 is an apocalyptic number.

23013442434 is an abundant number, since it is smaller than the sum of its proper divisors (24226465470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23013442434 is a wasteful number, since it uses less digits than its factorization.

23013442434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179442.

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 23013442434 its reverse (43424431032), we get a palindrome (66437873466).

The spelling of 23013442434 in words is "twenty-three billion, thirteen million, four hundred forty-two thousand, four hundred thirty-four".

Divisors: 1 2 3 6 41 82 123 246 523 1046 1569 3138 21443 42886 64329 128658 178873 357746 536619 1073238 7333793 14667586 22001379 44002758 93550579 187101158 280651737 561303474 3835573739 7671147478 11506721217 23013442434