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2082251569 = 12131716613
BaseRepresentation
bin111110000011100…
…1010001100110001
312101010010100011111
41330013022030301
513231024022234
6542341513321
7102412563166
oct17407121461
95333110144
102082251569
11979416472
124a1412841
13272515528
1415a78a06d
15c2c0d664
hex7c1ca331

2082251569 has 4 divisors (see below), whose sum is σ = 2083969396. Its totient is φ = 2080533744.

The previous prime is 2082251557. The next prime is 2082251597. The reversal of 2082251569 is 9651522802.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9651522802 = 24825761401.

It can be written as a sum of positive squares in 2 ways, for example, as 616280625 + 1465970944 = 24825^2 + 38288^2 .

It is a cyclic number.

It is not a de Polignac number, because 2082251569 - 25 = 2082251537 is a prime.

It is a super-2 number, since 2×20822515692 = 8671543193205923522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2082251519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857094 + ... + 859519.

It is an arithmetic number, because the mean of its divisors is an integer number (520992349).

Almost surely, 22082251569 is an apocalyptic number.

It is an amenable number.

2082251569 is a deficient number, since it is larger than the sum of its proper divisors (1717827).

2082251569 is a wasteful number, since it uses less digits than its factorization.

2082251569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717826.

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 2082251569 is about 45631.6947855326. The cubic root of 2082251569 is about 1276.9612913938.

The spelling of 2082251569 in words is "two billion, eighty-two million, two hundred fifty-one thousand, five hundred sixty-nine".

Divisors: 1 1213 1716613 2082251569