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442440144200012 = 227192272736593233
BaseRepresentation
bin110010010011001011001111…
…1101000010010000101001100
32011000112212100101000000010212
41210212112133220102011030
5430442414403403400022
64204554110222021552
7162123150140331230
oct14446263750220514
92130485311000125
10442440144200012
11118a7a8a2012552
1241757a451178b8
1315cb4c078b83ca
147b3830815c5c0
153623d3bbde3e2
hex192659fa1214c

442440144200012 has 48 divisors (see below), whose sum is σ = 931493945034240. Its totient is φ = 179629442733312.

The previous prime is 442440144199973. The next prime is 442440144200017. The reversal of 442440144200012 is 210002441044244.

It is not an unprimeable number, because it can be changed into a prime (442440144200017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6205853 + ... + 30387380.

It is an arithmetic number, because the mean of its divisors is an integer number (19406123854880).

Almost surely, 2442440144200012 is an apocalyptic number.

It is an amenable number.

442440144200012 is an abundant number, since it is smaller than the sum of its proper divisors (489053800834228).

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

442440144200012 is a wasteful number, since it uses less digits than its factorization.

442440144200012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36615990 (or 36615988 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 442440144200012 its reverse (210002441044244), we get a palindrome (652442585244256).

The spelling of 442440144200012 in words is "four hundred forty-two trillion, four hundred forty billion, one hundred forty-four million, two hundred thousand, twelve".

Divisors: 1 2 4 7 14 19 28 38 76 133 266 532 22727 45454 90908 159089 318178 431813 636356 863626 1727252 3022691 6045382 12090764 36593233 73186466 146372932 256152631 512305262 695271427 1024610524 1390542854 2781085708 4866899989 9733799978 19467599956 831654406391 1663308812782 3326617625564 5821580844737 11643161689474 15801433721429 23286323378948 31602867442858 63205734885716 110610036050003 221220072100006 442440144200012