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1310253145 = 51039125219
BaseRepresentation
bin100111000011000…
…1110000001011001
310101022110202102021
41032012032001121
510140411100040
6334003134441
744316653005
oct11606160131
93338422367
101310253145
11612670643
12306974421
1317b5b7b26
14c602d705
157a06824a
hex4e18e059

1310253145 has 8 divisors (see below), whose sum is σ = 1572517440. Its totient is φ = 1048060080.

The previous prime is 1310253137. The next prime is 1310253151. The reversal of 1310253145 is 5413520131.

It is a happy number.

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

It is not a de Polignac number, because 1310253145 - 23 = 1310253137 is a prime.

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, 39346 + ... + 64564.

It is an arithmetic number, because the mean of its divisors is an integer number (196564680).

Almost surely, 21310253145 is an apocalyptic number.

It is an amenable number.

1310253145 is a deficient number, since it is larger than the sum of its proper divisors (262264295).

1310253145 is a wasteful number, since it uses less digits than its factorization.

1310253145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35615.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1310253145 is about 36197.4190378264. The cubic root of 1310253145 is about 1094.2546570416.

Adding to 1310253145 its reverse (5413520131), we get a palindrome (6723773276).

The spelling of 1310253145 in words is "one billion, three hundred ten million, two hundred fifty-three thousand, one hundred forty-five".

Divisors: 1 5 10391 25219 51955 126095 262050629 1310253145