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1244134345 = 51961214691
BaseRepresentation
bin100101000100111…
…1111101111001001
310012201001120110211
41022021333233021
510021444244340
6323242041121
742554652556
oct11211775711
93181046424
101244134345
11589310603
122a87a91a1
1316a9a7a8c
14bb33ba2d
15743575ea
hex4a27fbc9

1244134345 has 16 divisors (see below), whose sum is σ = 1597308480. Its totient is φ = 927460800.

The previous prime is 1244134313. The next prime is 1244134399. The reversal of 1244134345 is 5434314421.

It is not a de Polignac number, because 1244134345 - 25 = 1244134313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101551 + ... + 113140.

It is an arithmetic number, because the mean of its divisors is an integer number (99831780).

Almost surely, 21244134345 is an apocalyptic number.

It is an amenable number.

1244134345 is a deficient number, since it is larger than the sum of its proper divisors (353174135).

1244134345 is a wasteful number, since it uses less digits than its factorization.

1244134345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214776.

The product of its digits is 23040, while the sum is 31.

The square root of 1244134345 is about 35272.2886271929. The cubic root of 1244134345 is about 1075.5297464764.

Adding to 1244134345 its reverse (5434314421), we get a palindrome (6678448766).

The spelling of 1244134345 in words is "one billion, two hundred forty-four million, one hundred thirty-four thousand, three hundred forty-five".

Divisors: 1 5 19 61 95 305 1159 5795 214691 1073455 4079129 13096151 20395645 65480755 248826869 1244134345