Search a number
-
+
20112312422052 = 2233675772755747
BaseRepresentation
bin1001001001010110000110…
…01111001100111010100100
32122012201101122002200202000
410210223003033030322210
510114010003440001202
6110435245131045300
74144031564611404
oct444530317147244
978181348080660
1020112312422052
116454647043054
122309a988a0830
13b2b7768b4bc6
144d76265c4804
1524d279ea591c
hex124ac33ccea4

20112312422052 has 48 divisors (see below), whose sum is σ = 52143822736320. Its totient is φ = 6704002501056.

The previous prime is 20112312422011. The next prime is 20112312422063. The reversal of 20112312422052 is 25022421321102.

20112312422052 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 231 + 2 + 422 + 0 + 5 + 2 = 666.

It is a super-2 number, since 2×201123124220522 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 5920443 + ... + 8676189.

It is an arithmetic number, because the mean of its divisors is an integer number (1086329640340).

Almost surely, 220112312422052 is an apocalyptic number.

It is an amenable number.

20112312422052 is an abundant number, since it is smaller than the sum of its proper divisors (32031510314268).

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

20112312422052 is a wasteful number, since it uses less digits than its factorization.

20112312422052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2823337 (or 2823329 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 20112312422052 its reverse (25022421321102), we get a palindrome (45134733743154).

The spelling of 20112312422052 in words is "twenty trillion, one hundred twelve billion, three hundred twelve million, four hundred twenty-two thousand, fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 67577 135154 202731 270308 405462 608193 810924 1216386 1824579 2432772 2755747 3649158 5511494 7298316 8267241 11022988 16534482 24801723 33068964 49603446 74405169 99206892 148810338 297620676 186225115019 372450230038 558675345057 744900460076 1117350690114 1676026035171 2234701380228 3352052070342 5028078105513 6704104140684 10056156211026 20112312422052