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1375088513 = 5772383169
BaseRepresentation
bin101000111110110…
…0010111110000001
310112211110201211012
41101331202332001
510304010313023
6344240530305
746035026261
oct12175427601
93484421735
101375088513
11646224397
12324620995
1318bb68956
14d08a97a1
1580ac3978
hex51f62f81

1375088513 has 4 divisors (see below), whose sum is σ = 1377472260. Its totient is φ = 1372704768.

The previous prime is 1375088471. The next prime is 1375088527. The reversal of 1375088513 is 3158805731.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 891440449 + 483648064 = 29857^2 + 21992^2 .

It is a cyclic number.

It is not a de Polignac number, because 1375088513 - 28 = 1375088257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1375088573) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191008 + ... + 1192161.

It is an arithmetic number, because the mean of its divisors is an integer number (344368065).

Almost surely, 21375088513 is an apocalyptic number.

It is an amenable number.

1375088513 is a deficient number, since it is larger than the sum of its proper divisors (2383747).

1375088513 is an equidigital number, since it uses as much as digits as its factorization.

1375088513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2383746.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 1375088513 is about 37082.1859253200. The cubic root of 1375088513 is about 1112.0139055181.

The spelling of 1375088513 in words is "one billion, three hundred seventy-five million, eighty-eight thousand, five hundred thirteen".

Divisors: 1 577 2383169 1375088513