Search a number
-
+
52120005234 = 23111277877901
BaseRepresentation
bin110000100010100110…
…000010101001110010
311222112022222121002020
4300202212002221302
51323220210131414
635535452332310
73523403510013
oct604246025162
9158468877066
1052120005234
11201164253a0
12a126a74096
134bb80434ab
14274610700a
151550a5e7a9
hexc22982a72

52120005234 has 64 divisors (see below), whose sum is σ = 114771935232. Its totient is φ = 15647688000.

The previous prime is 52120005233. The next prime is 52120005247. The reversal of 52120005234 is 43250002125.

It is not an unprimeable number, because it can be changed into a prime (52120005233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6592684 + ... + 6600584.

It is an arithmetic number, because the mean of its divisors is an integer number (1793311488).

Almost surely, 252120005234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52120005234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57385967616).

52120005234 is an abundant number, since it is smaller than the sum of its proper divisors (62651929998).

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

52120005234 is a wasteful number, since it uses less digits than its factorization.

52120005234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8831.

The product of its (nonzero) digits is 2400, while the sum is 24.

Adding to 52120005234 its reverse (43250002125), we get a palindrome (95370007359).

The spelling of 52120005234 in words is "fifty-two billion, one hundred twenty million, five thousand, two hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 127 254 381 762 787 1397 1574 2361 2794 4191 4722 7901 8382 8657 15802 17314 23703 25971 47406 51942 86911 99949 173822 199898 260733 299847 521466 599694 1003427 1099439 2006854 2198878 3010281 3298317 6020562 6218087 6596634 11037697 12436174 18654261 22075394 33113091 37308522 66226182 68398957 136797914 205196871 410393742 789697049 1579394098 2369091147 4738182294 8686667539 17373335078 26060002617 52120005234