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1442210040521 = 15126354136709
BaseRepresentation
bin10100111111001010011…
…010101100101011001001
312002212121002122000121222
4110333022122230223021
5142112121232244041
63022313034211425
7206124211035455
oct24771232545311
95085532560558
101442210040521
11506701a734a8
121b3615283b75
13a5ccc7c4c03
144db36509665
15277adb9874b
hex14fca6acac9

1442210040521 has 16 divisors (see below), whose sum is σ = 1457767576320. Its totient is φ = 1426735252800.

The previous prime is 1442210040493. The next prime is 1442210040553. The reversal of 1442210040521 is 1250400122441.

It is a cyclic number.

It is not a de Polignac number, because 1442210040521 - 226 = 1442142931657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442210040221) 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, 214963115 + ... + 214969823.

It is an arithmetic number, because the mean of its divisors is an integer number (91110473520).

Almost surely, 21442210040521 is an apocalyptic number.

It is an amenable number.

1442210040521 is a deficient number, since it is larger than the sum of its proper divisors (15557535799).

1442210040521 is a wasteful number, since it uses less digits than its factorization.

1442210040521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12536.

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 1442210040521 its reverse (1250400122441), we get a palindrome (2692610162962).

The spelling of 1442210040521 in words is "one trillion, four hundred forty-two billion, two hundred ten million, forty thousand, five hundred twenty-one".

Divisors: 1 151 263 5413 6709 39713 817363 1013059 1423619 1764467 36315817 214966469 266434517 5483688367 9551059871 1442210040521