Search a number
-
+
51233042234340 = 223251931474756541
BaseRepresentation
bin10111010011000100111110…
…10010000111101111100100
320201101211102210122210110100
423221202133102013233210
523203400232302444330
6300544045031424100
713535315355450651
oct1351423722075744
9221354383583410
1051233042234340
11153628a177596a
1258b5382225030
132278341753b25
14c9199a218c28
155dca505ac060
hex2e989f487be4

51233042234340 has 72 divisors (see below), whose sum is σ = 156212111954808. Its totient is φ = 13591356272640.

The previous prime is 51233042234321. The next prime is 51233042234443. The reversal of 51233042234340 is 4343224033215.

51233042234340 is a `hidden beast` number, since 5 + 1 + 2 + 3 + 304 + 2 + 2 + 3 + 4 + 340 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3242398043556 + 47990644190784 = 1800666^2 + 6927528^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 51233042234295 and 51233042234304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 737343531 + ... + 737413010.

It is an arithmetic number, because the mean of its divisors is an integer number (2169612666039).

Almost surely, 251233042234340 is an apocalyptic number.

It is an amenable number.

51233042234340 is an abundant number, since it is smaller than the sum of its proper divisors (104979069720468).

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

51233042234340 is a wasteful number, since it uses less digits than its factorization.

51233042234340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1474756749 (or 1474756744 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 36.

Adding to 51233042234340 its reverse (4343224033215), we get a palindrome (55576266267555).

The spelling of 51233042234340 in words is "fifty-one trillion, two hundred thirty-three billion, forty-two million, two hundred thirty-four thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 193 386 579 772 965 1158 1737 1930 2316 2895 3474 3860 5790 6948 8685 11580 17370 34740 1474756541 2949513082 4424269623 5899026164 7373782705 8848539246 13272808869 14747565410 17697078492 22121348115 26545617738 29495130820 44242696230 53091235476 66364044345 88485392460 132728088690 265456177380 284628012413 569256024826 853884037239 1138512049652 1423140062065 1707768074478 2561652111717 2846280124130 3415536148956 4269420186195 5123304223434 5692560248260 8538840372390 10246608446868 12808260558585 17077680744780 25616521117170 51233042234340