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23231022013212 = 22313148916807777
BaseRepresentation
bin1010100100000111001001…
…10100001001101100011100
310001020212022212102000112120
411102003210310021230130
511021104113113410322
6121224103441102540
74615246245005136
oct522034464115434
9101225285360476
1023231022013212
117447248327662
1227323b2327a50
13cc68a3171930
145a455d2bc056
152a445b256a5c
hex1520e4d09b1c

23231022013212 has 24 divisors (see below), whose sum is σ = 58375388648976. Its totient is φ = 7148006773248.

The previous prime is 23231022013189. The next prime is 23231022013247. The reversal of 23231022013212 is 21231022013232.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74458403733 + ... + 74458404044.

It is an arithmetic number, because the mean of its divisors is an integer number (2432307860374).

Almost surely, 223231022013212 is an apocalyptic number.

It is an amenable number.

23231022013212 is an abundant number, since it is smaller than the sum of its proper divisors (35144366635764).

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

23231022013212 is a wasteful number, since it uses less digits than its factorization.

23231022013212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148916807797 (or 148916807795 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23231022013212 its reverse (21231022013232), we get a palindrome (44462044026444).

The spelling of 23231022013212 in words is "twenty-three trillion, two hundred thirty-one billion, twenty-two million, thirteen thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 148916807777 297833615554 446750423331 595667231108 893500846662 1787001693324 1935918501101 3871837002202 5807755503303 7743674004404 11615511006606 23231022013212