Search a number
-
+
23223151153420 = 2253659372785147
BaseRepresentation
bin1010100011111000011111…
…01011001101000100001100
310001020010000022222220200221
411101330033223031010030
511020442003143402140
6121220322433201124
74614550222545061
oct521741753150414
9101203008886627
1023223151153420
117443979444159
1227309764001a4
13cc5c1a605b4a
145a4013c2cc68
152a414a26a14a
hex151f0facd10c

23223151153420 has 48 divisors (see below), whose sum is σ = 48795607687680. Its totient is φ = 9284120938944.

The previous prime is 23223151153369. The next prime is 23223151153421. The reversal of 23223151153420 is 2435115132232.

It is not an unprimeable number, because it can be changed into a prime (23223151153421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272699287 + ... + 272784433.

It is an arithmetic number, because the mean of its divisors is an integer number (1016575160160).

Almost surely, 223223151153420 is an apocalyptic number.

23223151153420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23223151153420 is an abundant number, since it is smaller than the sum of its proper divisors (25572456534260).

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

23223151153420 is a wasteful number, since it uses less digits than its factorization.

23223151153420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92542 (or 92540 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 23223151153420 its reverse (2435115132232), we get a palindrome (25658266285652).

The spelling of 23223151153420 in words is "twenty-three trillion, two hundred twenty-three billion, one hundred fifty-one million, one hundred fifty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 3659 3727 7318 7454 14636 14908 18295 18635 36590 37270 73180 74540 85147 170294 340588 425735 851470 1702940 13637093 27274186 54548372 68185465 136370930 272741860 311552873 317342869 623105746 634685738 1246211492 1269371476 1557764365 1586714345 3115528730 3173428690 6231057460 6346857380 1161157557671 2322315115342 4644630230684 5805787788355 11611575576710 23223151153420