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23130344550340 = 22512593331275773
BaseRepresentation
bin1010100001001011100111…
…11110000110111111000100
310000220020110110222222221101
411100211303332012333010
511012431421201102330
6121105533353425444
74605053333462206
oct520456376067704
9100806413888841
1023130344550340
117408584545695
12271699570b284
13cba24a1b3cb1
1459d72c2ac776
152a1a177ec4ca
hex150973f86fc4

23130344550340 has 48 divisors (see below), whose sum is σ = 48627074986560. Its totient is φ = 9241980128640.

The previous prime is 23130344550239. The next prime is 23130344550373. The reversal of 23130344550340 is 4305544303132.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 23130344550340.

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, 83736694 + ... + 84012466.

It is an arithmetic number, because the mean of its divisors is an integer number (1013064062220).

Almost surely, 223130344550340 is an apocalyptic number.

23130344550340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23130344550340 is an abundant number, since it is smaller than the sum of its proper divisors (25496730436220).

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

23130344550340 is a wasteful number, since it uses less digits than its factorization.

23130344550340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280372 (or 280370 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 37.

Adding to 23130344550340 its reverse (4305544303132), we get a palindrome (27435888853472).

The spelling of 23130344550340 in words is "twenty-three trillion, one hundred thirty billion, three hundred forty-four million, five hundred fifty thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1259 2518 3331 5036 6295 6662 12590 13324 16655 25180 33310 66620 275773 551546 1103092 1378865 2757730 4193729 5515460 8387458 16774916 20968645 41937290 83874580 347198207 694396414 918599863 1388792828 1735991035 1837199726 3471982070 3674399452 4592999315 6943964140 9185998630 18371997260 1156517227517 2313034455034 4626068910068 5782586137585 11565172275170 23130344550340