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1201442345 = 51260119069
BaseRepresentation
bin100011110011100…
…1000111000101001
310002201201121001122
41013213020320221
54430032123340
6315115025025
741526043235
oct10747107051
93081647048
101201442345
11567201464
1229643b175
13161baab3c
14b57c75c5
1570722db5
hex479c8e29

1201442345 has 8 divisors (see below), whose sum is σ = 1441920840. Its totient is φ = 961027200.

The previous prime is 1201442321. The next prime is 1201442357. The reversal of 1201442345 is 5432441021.

It can be written as a sum of positive squares in 4 ways, for example, as 382280704 + 819161641 = 19552^2 + 28621^2 .

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

It is not a de Polignac number, because 1201442345 - 28 = 1201442089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53471 + ... + 72539.

It is an arithmetic number, because the mean of its divisors is an integer number (180240105).

Almost surely, 21201442345 is an apocalyptic number.

It is an amenable number.

1201442345 is a deficient number, since it is larger than the sum of its proper divisors (240478495).

1201442345 is a wasteful number, since it uses less digits than its factorization.

1201442345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31675.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1201442345 is about 34661.8283562769. The cubic root of 1201442345 is about 1063.0841543485.

Adding to 1201442345 its reverse (5432441021), we get a palindrome (6633883366).

The spelling of 1201442345 in words is "one billion, two hundred one million, four hundred forty-two thousand, three hundred forty-five".

Divisors: 1 5 12601 19069 63005 95345 240288469 1201442345