Search a number
-
+
1345253107 = 11928113177
BaseRepresentation
bin101000000101110…
…1110111011110011
310110202022221100011
41100023232323303
510223341044412
6341253235351
745223314502
oct12013567363
93422287304
101345253107
116303a6630
12316632b57
13185920873
14ca940839
157d17d7a7
hex502eeef3

1345253107 has 8 divisors (see below), whose sum is σ = 1467818352. Its totient is φ = 1222732800.

The previous prime is 1345253101. The next prime is 1345253123. The reversal of 1345253107 is 7013525431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1345253107 - 23 = 1345253099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345253101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95503 + ... + 108679.

It is an arithmetic number, because the mean of its divisors is an integer number (183477294).

Almost surely, 21345253107 is an apocalyptic number.

1345253107 is a deficient number, since it is larger than the sum of its proper divisors (122565245).

1345253107 is a wasteful number, since it uses less digits than its factorization.

1345253107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22469.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 1345253107 is about 36677.6922256567. The cubic root of 1345253107 is about 1103.9125429018.

Adding to 1345253107 its reverse (7013525431), we get a palindrome (8358778538).

It can be divided in two parts, 1345 and 253107, that added together give a palindrome (254452).

The spelling of 1345253107 in words is "one billion, three hundred forty-five million, two hundred fifty-three thousand, one hundred seven".

Divisors: 1 11 9281 13177 102091 144947 122295737 1345253107