Search a number
-
+
23031301332 = 22313293503879
BaseRepresentation
bin10101011100110001…
…011100010011010100
32012110002110022221110
4111130301130103110
5334132003120312
614325212415020
71443510555054
oct253461342324
965402408843
1023031301332
119849629636
124569177470
1322306cb570
141186b19564
158ebe4443c
hex55cc5c4d4

23031301332 has 48 divisors (see below), whose sum is σ = 58071162240. Its totient is φ = 7062354048.

The previous prime is 23031301291. The next prime is 23031301333. The reversal of 23031301332 is 23310313032.

It is a junction number, because it is equal to n+sod(n) for n = 23031301299 and 23031301308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23031301333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206232 + ... + 297647.

It is an arithmetic number, because the mean of its divisors is an integer number (1209815880).

Almost surely, 223031301332 is an apocalyptic number.

It is an amenable number.

23031301332 is an abundant number, since it is smaller than the sum of its proper divisors (35039860908).

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

23031301332 is a wasteful number, since it uses less digits than its factorization.

23031301332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504192 (or 504190 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 23031301332 its reverse (23310313032), we get a palindrome (46341614364).

The spelling of 23031301332 in words is "twenty-three billion, thirty-one million, three hundred one thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 293 586 879 1172 1758 3516 3809 7618 11427 15236 22854 45708 503879 1007758 1511637 2015516 3023274 6046548 6550427 13100854 19651281 26201708 39302562 78605124 147636547 295273094 442909641 590546188 885819282 1771638564 1919275111 3838550222 5757825333 7677100444 11515650666 23031301332