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42020444123412 = 22342149511679981
BaseRepresentation
bin10011000110111101001011…
…01001010011000100010100
312111210010002222222221022120
421203132211221103010110
521001430332143422122
6225211531525455540
711564606530531116
oct1143364551230424
9174703088887276
1042020444123412
1112430852267417
124867a158715b0
131a5a684526681
14a53b2c21d3b6
154cd0ac94275c
hex2637a5a53114

42020444123412 has 48 divisors (see below), whose sum is σ = 98300504529024. Its totient is φ = 13970713680000.

The previous prime is 42020444123387. The next prime is 42020444123467. The reversal of 42020444123412 is 21432144402024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24172462 + ... + 25852442.

It is an arithmetic number, because the mean of its divisors is an integer number (2047927177688).

Almost surely, 242020444123412 is an apocalyptic number.

It is an amenable number.

42020444123412 is an abundant number, since it is smaller than the sum of its proper divisors (56280060405612).

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

42020444123412 is a wasteful number, since it uses less digits than its factorization.

42020444123412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685360 (or 1685358 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 42020444123412 its reverse (21432144402024), we get a palindrome (63452588525436).

The spelling of 42020444123412 in words is "forty-two trillion, twenty billion, four hundred forty-four million, one hundred twenty-three thousand, four hundred twelve".

Divisors: 1 2 3 4 6 12 421 842 1263 1684 2526 4951 5052 9902 14853 19804 29706 59412 1679981 2084371 3359962 4168742 5039943 6253113 6719924 8337484 10079886 12506226 20159772 25012452 707272001 1414544002 2121816003 2829088004 4243632006 8317585931 8487264012 16635171862 24952757793 33270343724 49905515586 99811031172 3501703676951 7003407353902 10505111030853 14006814707804 21010222061706 42020444123412