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1201301141 = 1770664773
BaseRepresentation
bin100011110011010…
…0110011010010101
310002201110102100212
41013212212122111
54430013114031
6315112015205
741524614455
oct10746463225
93081412325
101201301141
11567115367
12296391505
13161b5b7a1
14b578bd65
15706e612b
hex479a6695

1201301141 has 4 divisors (see below), whose sum is σ = 1271965932. Its totient is φ = 1130636352.

The previous prime is 1201301113. The next prime is 1201301147. The reversal of 1201301141 is 1411031021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1411031021 = 2297614293.

It can be written as a sum of positive squares in 2 ways, for example, as 514337041 + 686964100 = 22679^2 + 26210^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201301141 - 214 = 1201284757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201301147) 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, 35332370 + ... + 35332403.

It is an arithmetic number, because the mean of its divisors is an integer number (317991483).

Almost surely, 21201301141 is an apocalyptic number.

It is an amenable number.

1201301141 is a deficient number, since it is larger than the sum of its proper divisors (70664791).

1201301141 is an equidigital number, since it uses as much as digits as its factorization.

1201301141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70664790.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 1201301141 is about 34659.7914159910. The cubic root of 1201301141 is about 1063.0425050712.

Adding to 1201301141 its reverse (1411031021), we get a palindrome (2612332162).

The spelling of 1201301141 in words is "one billion, two hundred one million, three hundred one thousand, one hundred forty-one".

Divisors: 1 17 70664773 1201301141