Search a number
-
+
23215303003512 = 23347199103421821
BaseRepresentation
bin1010100011101001110111…
…11000111000110101111000
310001012100202101022120222010
411101310323320320311320
511020324420032103022
6121212544000125520
74614151564431414
oct521647370706570
9101170671276863
1023215303003512
117440611361a54
12272b3460068a0
13cc526968ba69
145a38ab7b1d44
152a3d3b26750c
hex151d3be38d78

23215303003512 has 64 divisors (see below), whose sum is σ = 59570969472000. Its totient is φ = 7535727492480.

The previous prime is 23215303003433. The next prime is 23215303003531. The reversal of 23215303003512 is 21530030351232.

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 23215303003512.

It is a congruent number.

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, 51486439 + ... + 51935382.

It is an arithmetic number, because the mean of its divisors is an integer number (930796398000).

Almost surely, 223215303003512 is an apocalyptic number.

It is an amenable number.

23215303003512 is an abundant number, since it is smaller than the sum of its proper divisors (36355666468488).

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

23215303003512 is a wasteful number, since it uses less digits than its factorization.

23215303003512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103422076 (or 103422072 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 30.

Adding to 23215303003512 its reverse (21530030351232), we get a palindrome (44745333354744).

The spelling of 23215303003512 in words is "twenty-three trillion, two hundred fifteen billion, three hundred three million, three thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 12 24 47 94 141 188 199 282 376 398 564 597 796 1128 1194 1592 2388 4776 9353 18706 28059 37412 56118 74824 112236 224472 103421821 206843642 310265463 413687284 620530926 827374568 1241061852 2482123704 4860825587 9721651174 14582476761 19443302348 20580942379 29164953522 38886604696 41161884758 58329907044 61742827137 82323769516 116659814088 123485654274 164647539032 246971308548 493942617096 967304291813 1934608583626 2901912875439 3869217167252 5803825750878 7738434334504 11607651501756 23215303003512