Search a number
-
+
3121011120230 = 251919138586709
BaseRepresentation
bin101101011010101010110…
…000100101100001100110
3102001100212122001010010222
4231122222300211201212
5402113312321321410
610345434523444342
7441325364543633
oct55325260454146
912040778033128
103121011120230
11aa368245a453
12424a583866b2
13198405348b63
14ab0b464318a
15562b8375955
hex2d6aac25866

3121011120230 has 32 divisors (see below), whose sum is σ = 5916586658400. Its totient is φ = 1182080570112.

The previous prime is 3121011120229. The next prime is 3121011120233. The reversal of 3121011120230 is 320211101213.

It is a junction number, because it is equal to n+sod(n) for n = 3121011120199 and 3121011120208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3121011120233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3929885 + ... + 4656824.

It is an arithmetic number, because the mean of its divisors is an integer number (184893333075).

Almost surely, 23121011120230 is an apocalyptic number.

3121011120230 is a deficient number, since it is larger than the sum of its proper divisors (2795575538170).

3121011120230 is a wasteful number, since it uses less digits than its factorization.

3121011120230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8588648.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 3121011120230 its reverse (320211101213), we get a palindrome (3441222221443).

The spelling of 3121011120230 in words is "three trillion, one hundred twenty-one billion, eleven million, one hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 1913 3826 9565 19130 36347 72694 181735 363470 8586709 17173418 42933545 85867090 163147471 326294942 815737355 1631474710 16426374317 32852748634 82131871585 164263743170 312101112023 624202224046 1560505560115 3121011120230