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9874950545 = 51974990109
BaseRepresentation
bin10010011001001011…
…11100100110010001
3221111012110110112002
421030211330212101
5130210441404140
64311514243345
7466465460165
oct111445744621
927435413462
109874950545
114208174559
121ab7126555
13c14b16105
146996d0ca5
153cbe0b415
hex24c97c991

9874950545 has 4 divisors (see below), whose sum is σ = 11849940660. Its totient is φ = 7899960432.

The previous prime is 9874950539. The next prime is 9874950577. The reversal of 9874950545 is 5450594789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5450594789 = 10974968637.

It can be written as a sum of positive squares in 2 ways, for example, as 4137191041 + 5737759504 = 64321^2 + 75748^2 .

It is a cyclic number.

It is not a de Polignac number, because 9874950545 - 28 = 9874950289 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 987495050 + ... + 987495059.

It is an arithmetic number, because the mean of its divisors is an integer number (2962485165).

Almost surely, 29874950545 is an apocalyptic number.

It is an amenable number.

9874950545 is a deficient number, since it is larger than the sum of its proper divisors (1974990115).

9874950545 is a wasteful number, since it uses less digits than its factorization.

9874950545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1974990114.

The product of its (nonzero) digits is 9072000, while the sum is 56.

The square root of 9874950545 is about 99372.7857363373. The cubic root of 9874950545 is about 2145.4166320132.

The spelling of 9874950545 in words is "nine billion, eight hundred seventy-four million, nine hundred fifty thousand, five hundred forty-five".

Divisors: 1 5 1974990109 9874950545