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1304240442025 = 52237331071839
BaseRepresentation
bin10010111110101010110…
…010011100101010101001
311121200110202111020010111
4102332222302130222221
5132332041023121100
62435054303014321
7163141202561203
oct22765262345251
94550422436114
101304240442025
11463141801034
1219092b59a3a1
1395cb2792c31
14471a880b773
1523dd63426ba
hex12faac9caa9

1304240442025 has 24 divisors (see below), whose sum is σ = 1710691223040. Its totient is φ = 984355827840.

The previous prime is 1304240441969. The next prime is 1304240442047. The reversal of 1304240442025 is 5202440424031.

It is not a de Polignac number, because 1304240442025 - 27 = 1304240441897 is a prime.

It is a super-2 number, since 2×13042404420252 (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15493945 + ... + 15577894.

It is an arithmetic number, because the mean of its divisors is an integer number (71278800960).

Almost surely, 21304240442025 is an apocalyptic number.

It is an amenable number.

1304240442025 is a deficient number, since it is larger than the sum of its proper divisors (406450781015).

1304240442025 is a wasteful number, since it uses less digits than its factorization.

1304240442025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31071945 (or 31071940 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 1304240442025 its reverse (5202440424031), we get a palindrome (6506680866056).

The spelling of 1304240442025 in words is "one trillion, three hundred four billion, two hundred forty million, four hundred forty-two thousand, twenty-five".

Divisors: 1 5 23 25 73 115 365 575 1679 1825 8395 41975 31071839 155359195 714652297 776795975 2268244247 3573261485 11341221235 17866307425 52169617681 56706106175 260848088405 1304240442025