Search a number
-
+
75049023049 = 71113457164057
BaseRepresentation
bin100010111100101000…
…1010011011001001001
321011201021222101102021
41011321101103121021
52212200022214144
654251013004441
75264533112320
oct1057121233111
9234637871367
1075049023049
11299122428a0
1212665923721
1371004aba60
1438bd3d90b7
151e439ec884
hex1179453649

75049023049 has 32 divisors (see below), whose sum is σ = 100986230016. Its totient is φ = 53862865920.

The previous prime is 75049023041. The next prime is 75049023061. The reversal of 75049023049 is 94032094057.

It is a cyclic number.

It is not a de Polignac number, because 75049023049 - 23 = 75049023041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75049022996 and 75049023014.

It is not an unprimeable number, because it can be changed into a prime (75049023041) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 375429 + ... + 539485.

It is an arithmetic number, because the mean of its divisors is an integer number (3155819688).

Almost surely, 275049023049 is an apocalyptic number.

It is an amenable number.

75049023049 is a deficient number, since it is larger than the sum of its proper divisors (25937206967).

75049023049 is a wasteful number, since it uses less digits than its factorization.

75049023049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164545.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 75049023049 in words is "seventy-five billion, forty-nine million, twenty-three thousand, forty-nine".

Divisors: 1 7 11 13 77 91 143 457 1001 3199 5027 5941 35189 41587 65351 164057 457457 1148399 1804627 2132741 12632389 14929187 23460151 74974049 164221057 524818343 824714539 974662637 5773001773 6822638459 10721289007 75049023049