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1442364970225 = 522401972
BaseRepresentation
bin10100111111010011101…
…001101101010011110001
312002212222220011021020011
4110333103221231103301
5142112430413021400
63022340251014521
7206131101646534
oct24772351552361
95085886137204
101442364970225
11506781472483
121b365913a441
13a602592b8aa
144db4cd18a1b
15277bc59d8ba
hex14fd3a6d4f1

1442364970225 has 9 divisors (see below), whose sum is σ = 1788540009217. Its totient is φ = 1153887172240.

The previous prime is 1442364970183. The next prime is 1442364970271. The reversal of 1442364970225 is 5220794632441.

The square root of 1442364970225 is 1200985.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 93552174769 + 1348812795456 = 305863^2 + 1161384^2 .

It is not a de Polignac number, because 1442364970225 - 213 = 1442364962033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5884827 + ... + 6125023.

Almost surely, 21442364970225 is an apocalyptic number.

1442364970225 is the 1200985-th square number.

1442364970225 is the 600493-rd centered octagonal number.

It is an amenable number.

1442364970225 is a deficient number, since it is larger than the sum of its proper divisors (346175038992).

1442364970225 is an frugal number, since it uses more digits than its factorization.

1442364970225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480404 (or 240202 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

Multiplying 1442364970225 by its sum of digits (49), we get a square (70675883541025 = 84068952).

The spelling of 1442364970225 in words is "one trillion, four hundred forty-two billion, three hundred sixty-four million, nine hundred seventy thousand, two hundred twenty-five".

Divisors: 1 5 25 240197 1200985 6004925 57694598809 288472994045 1442364970225