Search a number
-
+
23112524131540 = 22535918611729723
BaseRepresentation
bin1010100000101010011011…
…10010100110110011010100
310000211112110112201221000021
411100111031302212303110
511012133422134202130
6121053425204154524
74603552615432354
oct520251562466324
9100745415657007
1023112524131540
117400a6a36a248
122713441698a44
13cb866a23ba9c
1459c91b66ab64
152a13230b837a
hex15054dca6cd4

23112524131540 has 48 divisors (see below), whose sum is σ = 48697680850560. Its totient is φ = 9214298282880.

The previous prime is 23112524131523. The next prime is 23112524131559. The reversal of 23112524131540 is 4513142521132.

It is a junction number, because it is equal to n+sod(n) for n = 23112524131496 and 23112524131505.

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, 12497119 + ... + 14226841.

It is an arithmetic number, because the mean of its divisors is an integer number (1014535017720).

Almost surely, 223112524131540 is an apocalyptic number.

23112524131540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23112524131540 is an abundant number, since it is smaller than the sum of its proper divisors (25585156719020).

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

23112524131540 is a wasteful number, since it uses less digits than its factorization.

23112524131540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731952 (or 1731950 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 23112524131540 its reverse (4513142521132), we get a palindrome (27625666652672).

The spelling of 23112524131540 in words is "twenty-three trillion, one hundred twelve billion, five hundred twenty-four million, one hundred thirty-one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 359 718 1436 1795 1861 3590 3722 7180 7444 9305 18610 37220 668099 1336198 1729723 2672396 3340495 3459446 6680990 6918892 8648615 13361980 17297230 34594460 620970557 1241941114 2483882228 3104852785 3219014503 6209705570 6438029006 12419411140 12876058012 16095072515 32190145030 64380290060 1155626206577 2311252413154 4622504826308 5778131032885 11556262065770 23112524131540