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1045111201 = 19724122013
BaseRepresentation
bin111110010010110…
…010000110100001
32200211120011001021
4332102302012201
54120022024301
6251412205441
734620204301
oct7622620641
92624504037
101045111201
11496a35572
12252009881
131386a32c4
149cb31601
1561b428a1
hex3e4b21a1

1045111201 has 8 divisors (see below), whose sum is σ = 1054822824. Its totient is φ = 1035444480.

The previous prime is 1045111157. The next prime is 1045111219. The reversal of 1045111201 is 1021115401.

It can be written as a sum of positive squares in 4 ways, for example, as 686387601 + 358723600 = 26199^2 + 18940^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1045111201 - 217 = 1044980129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1045117201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36471 + ... + 58483.

It is an arithmetic number, because the mean of its divisors is an integer number (131852853).

Almost surely, 21045111201 is an apocalyptic number.

It is an amenable number.

1045111201 is a deficient number, since it is larger than the sum of its proper divisors (9711623).

1045111201 is a wasteful number, since it uses less digits than its factorization.

1045111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22451.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 1045111201 is about 32328.1796734675. The cubic root of 1045111201 is about 1014.8164554424.

Adding to 1045111201 its reverse (1021115401), we get a palindrome (2066226602).

The spelling of 1045111201 in words is "one billion, forty-five million, one hundred eleven thousand, two hundred one".

Divisors: 1 197 241 22013 47477 4336561 5305133 1045111201