Search a number
-
+
10231213011320 = 235736540046469
BaseRepresentation
bin1001010011100010001111…
…0100010011000101111000
31100020002112211022012102002
42110320203310103011320
52320112011012330240
633432053202200132
72104115665456310
oct224704364230570
940202484265362
1010231213011320
113295040021644
121192a64653048
13592a50c3b362
1427529c7b4440
1512b20d74bd15
hex94e23d13178

10231213011320 has 32 divisors (see below), whose sum is σ = 26308833458400. Its totient is φ = 3507844460928.

The previous prime is 10231213011281. The next prime is 10231213011323. The reversal of 10231213011320 is 2311031213201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10231213011292 and 10231213011301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10231213011323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18270022955 + ... + 18270023514.

It is an arithmetic number, because the mean of its divisors is an integer number (822151045575).

Almost surely, 210231213011320 is an apocalyptic number.

10231213011320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10231213011320 is an abundant number, since it is smaller than the sum of its proper divisors (16077620447080).

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

10231213011320 is a wasteful number, since it uses less digits than its factorization.

10231213011320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36540046487 (or 36540046483 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 10231213011320 its reverse (2311031213201), we get a palindrome (12542244224521).

The spelling of 10231213011320 in words is "ten trillion, two hundred thirty-one billion, two hundred thirteen million, eleven thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 36540046469 73080092938 146160185876 182700232345 255780325283 292320371752 365400464690 511560650566 730800929380 1023121301132 1278901626415 1461601858760 2046242602264 2557803252830 5115606505660 10231213011320