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442131650021120 = 2854313161319963
BaseRepresentation
bin110010010000111011100101…
…1111100011000011100000000
32010222110101001212202222111112
41210201313023330120130000
5430422341104401133440
64204200250453102452
7162061646311144613
oct14441671374303400
92128411055688445
10442131650021120
11118970a860a79a4
12417080ab027a28
1315c91ab304c057
147b27400c7417a
15361acd396b965
hex1921dcbf18700

442131650021120 has 144 divisors (see below), whose sum is σ = 1091944711896192. Its totient is φ = 171421180170240.

The previous prime is 442131650021111. The next prime is 442131650021179. The reversal of 442131650021120 is 21120056131244.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 23449742 + ... + 37870221.

It is an arithmetic number, because the mean of its divisors is an integer number (7582949388168).

Almost surely, 2442131650021120 is an apocalyptic number.

442131650021120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

442131650021120 is an abundant number, since it is smaller than the sum of its proper divisors (649813061875072).

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

442131650021120 is a wasteful number, since it uses less digits than its factorization.

442131650021120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61320158 (or 61320144 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The spelling of 442131650021120 in words is "four hundred forty-two trillion, one hundred thirty-one billion, six hundred fifty million, twenty-one thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 43 64 80 86 128 131 160 172 215 256 262 320 344 430 524 640 655 688 860 1048 1280 1310 1376 1720 2096 2620 2752 3440 4192 5240 5504 5633 6880 8384 10480 11008 11266 13760 16768 20960 22532 27520 28165 33536 41920 45064 55040 56330 83840 90128 112660 167680 180256 225320 360512 450640 721024 901280 1442048 1802560 3605120 7210240 61319963 122639926 245279852 306599815 490559704 613199630 981119408 1226399260 1962238816 2452798520 2636758409 3924477632 4905597040 5273516818 7848955264 8032915153 9811194080 10547033636 13183792045 15697910528 16065830306 19622388160 21094067272 26367584090 32131660612 39244776320 40164575765 42188134544 52735168180 64263321224 78489552640 80329151530 84376269088 105470336360 128526642448 160658303060 168752538176 210940672720 257053284896 321316606120 337505076352 345415351579 421881345440 514106569792 642633212240 675010152704 690830703158 843762690880 1028213139584 1285266424480 1381661406316 1687525381760 1727076757895 2056426279168 2570532848960 2763322812632 3375050763520 3454153515790 5141065697920 5526645625264 6908307031580 10282131395840 11053291250528 13816614063160 22106582501056 27633228126320 44213165002112 55266456252640 88426330004224 110532912505280 221065825010560 442131650021120