Search a number
-
+
30740233173 = 313788211107
BaseRepresentation
bin11100101000010000…
…101011101111010101
32221100100011122101120
4130220100223233111
51000423444430143
622042153514153
72135525446026
oct345020535725
987310148346
1030740233173
1112045073191
125b5aa12959
132b8b8501b0
1416b8896c4d
15bedae7383
hex72842bbd5

30740233173 has 8 divisors (see below), whose sum is σ = 44139822048. Its totient is φ = 18917066544.

The previous prime is 30740233129. The next prime is 30740233177. The reversal of 30740233173 is 37133204703.

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

It is not a de Polignac number, because 30740233173 - 216 = 30740167637 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30740233177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394105515 + ... + 394105592.

It is an arithmetic number, because the mean of its divisors is an integer number (5517477756).

Almost surely, 230740233173 is an apocalyptic number.

It is an amenable number.

30740233173 is a deficient number, since it is larger than the sum of its proper divisors (13399588875).

30740233173 is a wasteful number, since it uses less digits than its factorization.

30740233173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788211123.

The product of its (nonzero) digits is 31752, while the sum is 33.

Adding to 30740233173 its reverse (37133204703), we get a palindrome (67873437876).

The spelling of 30740233173 in words is "thirty billion, seven hundred forty million, two hundred thirty-three thousand, one hundred seventy-three".

Divisors: 1 3 13 39 788211107 2364633321 10246744391 30740233173