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404021125553012 = 2211194391100863003
BaseRepresentation
bin101101111011101000111111…
…1101010111001101101110100
31221222112001010220102002210022
41123313101333222321231310
5410423440231120144022
63551140424234544312
7151046364062113142
oct13367217752715564
91858461126362708
10404021125553012
11107808440624990
1239392001598098
131445904ac7a8c6
1471aaa26540592
1531a97b3a86c42
hex16f747fab9b74

404021125553012 has 48 divisors (see below), whose sum is σ = 813757932556800. Its totient is φ = 173584078155360.

The previous prime is 404021125553009. The next prime is 404021125553021. The reversal of 404021125553012 is 210355521120404.

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, 550064498 + ... + 550798505.

It is an arithmetic number, because the mean of its divisors is an integer number (16953290261600).

Almost surely, 2404021125553012 is an apocalyptic number.

It is an amenable number.

404021125553012 is an abundant number, since it is smaller than the sum of its proper divisors (409736807003788).

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

404021125553012 is a wasteful number, since it uses less digits than its factorization.

404021125553012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100863476 (or 1100863474 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 404021125553012 its reverse (210355521120404), we get a palindrome (614376646673416).

The spelling of 404021125553012 in words is "four hundred four trillion, twenty-one billion, one hundred twenty-five million, five hundred fifty-three thousand, twelve".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 439 836 878 1756 4829 8341 9658 16682 19316 33364 91751 183502 367004 1100863003 2201726006 4403452012 12109493033 20916397057 24218986066 41832794114 48437972132 83665588228 230080367627 460160735254 483278858317 920321470508 966557716634 1933115433268 5316067441487 9182298308023 10632134882974 18364596616046 21264269765948 36729193232092 101005281388253 202010562776506 404021125553012