Search a number
-
+
121131311223294 = 23310332171512517
BaseRepresentation
bin11011100010101100010100…
…110001101101000111111110
3120212220001002100102202021000
4123202230110301231013332
5111334103411133121134
61105342542310351130
734341306546004041
oct3342542461550776
9525801070382230
10121131311223294
1135661556331749
121170408705b4a6
1352788311345b8
1421cab02b84c58
15e00d83ddae99
hex6e2b14c6d1fe

121131311223294 has 32 divisors (see below), whose sum is σ = 269441273233440. Its totient is φ = 40338016497216.

The previous prime is 121131311223283. The next prime is 121131311223317. The reversal of 121131311223294 is 492322113131121.

121131311223294 is a `hidden beast` number, since 1 + 2 + 1 + 1 + 31 + 311 + 2 + 23 + 294 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1085700477 + ... + 1085812040.

It is an arithmetic number, because the mean of its divisors is an integer number (8420039788545).

Almost surely, 2121131311223294 is an apocalyptic number.

121131311223294 is an abundant number, since it is smaller than the sum of its proper divisors (148309962010146).

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

121131311223294 is a wasteful number, since it uses less digits than its factorization.

121131311223294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171513561 (or 2171513555 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The spelling of 121131311223294 in words is "one hundred twenty-one trillion, one hundred thirty-one billion, three hundred eleven million, two hundred twenty-three thousand, two hundred ninety-four".

Divisors: 1 2 3 6 9 18 27 54 1033 2066 3099 6198 9297 18594 27891 55782 2171512517 4343025034 6514537551 13029075102 19543612653 39087225306 58630837959 117261675918 2243172430061 4486344860122 6729517290183 13459034580366 20188551870549 40377103741098 60565655611647 121131311223294