Search a number
-
+
1375135025 = 52115000491
BaseRepresentation
bin101000111110110…
…1110010100110001
310112211120002121212
41101331232110301
510304013310100
6344241525505
746035312005
oct12175562461
93484502555
101375135025
11646256330
12324643895
1318bb83b84
14d08bc705
1580ad2635
hex51f6e531

1375135025 has 12 divisors (see below), whose sum is σ = 1860183024. Its totient is φ = 1000098000.

The previous prime is 1375134991. The next prime is 1375135037. The reversal of 1375135025 is 5205315731.

It is not a de Polignac number, because 1375135025 - 210 = 1375134001 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1375134982 and 1375135000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2499971 + ... + 2500520.

It is an arithmetic number, because the mean of its divisors is an integer number (155015252).

Almost surely, 21375135025 is an apocalyptic number.

It is an amenable number.

1375135025 is a deficient number, since it is larger than the sum of its proper divisors (485047999).

1375135025 is a wasteful number, since it uses less digits than its factorization.

1375135025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000512 (or 5000507 counting only the distinct ones).

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 1375135025 is about 37082.8130675115. The cubic root of 1375135025 is about 1112.0264432341.

The spelling of 1375135025 in words is "one billion, three hundred seventy-five million, one hundred thirty-five thousand, twenty-five".

Divisors: 1 5 11 25 55 275 5000491 25002455 55005401 125012275 275027005 1375135025