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42311221441 = 316141295419
BaseRepresentation
bin100111011001111100…
…100000000011000001
311001012202000202021121
4213121330200003001
51143123133041231
631234300152241
73025340306506
oct473174400301
9131182022247
1042311221441
1116a42643a05
128249b38681
133cb3b56208
14209551b4ad
151179873311
hex9d9f200c1

42311221441 has 16 divisors (see below), whose sum is σ = 44411046400. Its totient is φ = 40257907200.

The previous prime is 42311221417. The next prime is 42311221453. The reversal of 42311221441 is 14412211324.

It is a cyclic number.

It is not a de Polignac number, because 42311221441 - 29 = 42311220929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42311221541) 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, 7805230 + ... + 7810648.

It is an arithmetic number, because the mean of its divisors is an integer number (2775690400).

Almost surely, 242311221441 is an apocalyptic number.

It is an amenable number.

42311221441 is a deficient number, since it is larger than the sum of its proper divisors (2099824959).

42311221441 is a wasteful number, since it uses less digits than its factorization.

42311221441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9640.

The product of its digits is 1536, while the sum is 25.

Adding to 42311221441 its reverse (14412211324), we get a palindrome (56723432765).

The spelling of 42311221441 in words is "forty-two billion, three hundred eleven million, two hundred twenty-one thousand, four hundred forty-one".

Divisors: 1 31 61 1891 4129 5419 127999 167989 251869 330559 7807939 10247329 22375051 693626581 1364878111 42311221441