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1244124231025 = 52133828074557
BaseRepresentation
bin10010000110101011100…
…101010011010101110001
311101221022011020021212011
4102012223211103111301
5130340431300343100
62351313124002521
7155612362323004
oct22065345232561
94357264207764
101244124231025
1143a6a276aa25
12181152830441
1390421c37650
144430474753b
15225687d6bba
hex121ab953571

1244124231025 has 12 divisors (see below), whose sum is σ = 1661384358172. Its totient is φ = 918737893440.

The previous prime is 1244124231013. The next prime is 1244124231043. The reversal of 1244124231025 is 5201324214421.

It can be written as a sum of positive squares in 6 ways, for example, as 20879383009 + 1223244848016 = 144497^2 + 1106004^2 .

It is not a de Polignac number, because 1244124231025 - 29 = 1244124230513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1914036954 + ... + 1914037603.

Almost surely, 21244124231025 is an apocalyptic number.

It is an amenable number.

1244124231025 is a deficient number, since it is larger than the sum of its proper divisors (417260127147).

1244124231025 is a wasteful number, since it uses less digits than its factorization.

1244124231025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3828074580 (or 3828074575 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 1244124231025 its reverse (5201324214421), we get a palindrome (6445448445446).

The spelling of 1244124231025 in words is "one trillion, two hundred forty-four billion, one hundred twenty-four million, two hundred thirty-one thousand, twenty-five".

Divisors: 1 5 13 25 65 325 3828074557 19140372785 49764969241 95701863925 248824846205 1244124231025