Search a number
-
+
1315153412 = 226122923537
BaseRepresentation
bin100111001100011…
…1010011000000100
310101122200201022122
41032120322120010
510143134402122
6334300145112
744406422336
oct11630723004
93348621278
101315153412
11615408251
12308538198
1317c6123b1
14c6947456
157a6d5142
hex4e63a604

1315153412 has 24 divisors (see below), whose sum is σ = 2349563160. Its totient is φ = 643944960.

The previous prime is 1315153403. The next prime is 1315153423. The reversal of 1315153412 is 2143515131.

It can be written as a sum of positive squares in 4 ways, for example, as 88472836 + 1226680576 = 9406^2 + 35024^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44108 + ... + 67644.

It is an arithmetic number, because the mean of its divisors is an integer number (97898465).

Almost surely, 21315153412 is an apocalyptic number.

It is an amenable number.

1315153412 is a deficient number, since it is larger than the sum of its proper divisors (1034409748).

1315153412 is a wasteful number, since it uses less digits than its factorization.

1315153412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23831 (or 23829 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 1315153412 is about 36265.0439404118. The cubic root of 1315153412 is about 1095.6171085567.

Adding to 1315153412 its reverse (2143515131), we get a palindrome (3458668543).

The spelling of 1315153412 in words is "one billion, three hundred fifteen million, one hundred fifty-three thousand, four hundred twelve".

Divisors: 1 2 4 61 122 229 244 458 916 13969 23537 27938 47074 55876 94148 1435757 2871514 5389973 5743028 10779946 21559892 328788353 657576706 1315153412