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445450610310642 = 233191013428590709
BaseRepresentation
bin110010101001000101000110…
…1011001000111110111110010
32011102012122212221002210022000
41211102022031121013313302
5431341230322214420032
64215221104010354430
7162553513245136356
oct14522121531076762
92142178787083260
10445450610310642
11119a305a7713032
1241b6339012ba16
1316172a73853481
147bddcd306b466
1536772d51b2e7c
hex195228d647df2

445450610310642 has 64 divisors (see below), whose sum is σ = 1043018351856000. Its totient is φ = 140529750064704.

The previous prime is 445450610310613. The next prime is 445450610310653. The reversal of 445450610310642 is 246013016054544.

445450610310642 is a `hidden beast` number, since 4 + 4 + 54 + 506 + 1 + 0 + 31 + 0 + 64 + 2 = 666.

It is a super-2 number, since 2×4454506103106422 (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213256017 + ... + 215334692.

It is an arithmetic number, because the mean of its divisors is an integer number (16297161747750).

Almost surely, 2445450610310642 is an apocalyptic number.

445450610310642 is an abundant number, since it is smaller than the sum of its proper divisors (597567741545358).

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

445450610310642 is a wasteful number, since it uses less digits than its factorization.

445450610310642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428591752 (or 428591746 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 445450610310642 in words is "four hundred forty-five trillion, four hundred fifty billion, six hundred ten million, three hundred ten thousand, six hundred forty-two".

Divisors: 1 2 3 6 9 18 19 27 38 54 57 114 171 342 513 1013 1026 2026 3039 6078 9117 18234 19247 27351 38494 54702 57741 115482 173223 346446 519669 1039338 428590709 857181418 1285772127 2571544254 3857316381 7714632762 8143223471 11571949143 16286446942 23143898286 24429670413 48859340826 73289011239 146578022478 219867033717 434162388217 439734067434 868324776434 1302487164651 2604974329302 3907461493953 7814922987906 8249085376123 11722384481859 16498170752246 23444768963718 24747256128369 49494512256738 74241768385107 148483536770214 222725305155321 445450610310642