Search a number
-
+
1375013750 = 2541129091
BaseRepresentation
bin101000111110101…
…0000101101110110
310112211022221021012
41101331100231312
510304000420000
6344235152222
746034265305
oct12175205566
93484287235
101375013750
11646183200
123245a5672
1318bb40906
14d088a43c
1580aab735
hex51f50b76

1375013750 has 60 divisors (see below), whose sum is σ = 2833239948. Its totient is φ = 499950000.

The previous prime is 1375013747. The next prime is 1375013779. The reversal of 1375013750 is 573105731.

It is a congruent number.

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 29 ways as a sum of consecutive naturals, for example, 146705 + ... + 155795.

Almost surely, 21375013750 is an apocalyptic number.

1375013750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1375013750 is an abundant number, since it is smaller than the sum of its proper divisors (1458226198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1375013750 is an equidigital number, since it uses as much as digits as its factorization.

1375013750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9135 (or 9109 counting only the distinct ones).

The product of its (nonzero) digits is 11025, while the sum is 32.

The square root of 1375013750 is about 37081.1778399770. The cubic root of 1375013750 is about 1111.9937519058.

The spelling of 1375013750 in words is "one billion, three hundred seventy-five million, thirteen thousand, seven hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 121 125 242 250 275 550 605 625 1210 1250 1375 2750 3025 6050 6875 9091 13750 15125 18182 30250 45455 75625 90910 100001 151250 200002 227275 454550 500005 1000010 1100011 1136375 2200022 2272750 2500025 5000050 5500055 5681875 11000110 11363750 12500125 25000250 27500275 55000550 62500625 125001250 137501375 275002750 687506875 1375013750