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23121301132212 = 2235932657204989
BaseRepresentation
bin1010100000111010110001…
…11100001101001110110100
310000212101010020012202110020
411100131120330031032310
511012304411042212322
6121101440141525140
74604313252625533
oct520353074151664
9100771106182406
1023121301132212
117404763799808
122715090b737b0
13cb94387413ca
1459d1111d431a
152a16888e605c
hex150758f0d3b4

23121301132212 has 24 divisors (see below), whose sum is σ = 54864104383200. Its totient is φ = 7576471557216.

The previous prime is 23121301132151. The next prime is 23121301132277. The reversal of 23121301132212 is 21223110312132.

It is a congruent number.

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, 16328601787 + ... + 16328603202.

It is an arithmetic number, because the mean of its divisors is an integer number (2286004349300).

Almost surely, 223121301132212 is an apocalyptic number.

It is an amenable number.

23121301132212 is an abundant number, since it is smaller than the sum of its proper divisors (31742803250988).

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

23121301132212 is a wasteful number, since it uses less digits than its factorization.

23121301132212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32657205055 (or 32657205053 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 23121301132212 its reverse (21223110312132), we get a palindrome (44344411444344).

The spelling of 23121301132212 in words is "twenty-three trillion, one hundred twenty-one billion, three hundred one million, one hundred thirty-two thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 32657204989 65314409978 97971614967 130628819956 195943229934 391886459868 1926775094351 3853550188702 5780325283053 7707100377404 11560650566106 23121301132212