Search a number
-
+
32131320330 = 2352479943189
BaseRepresentation
bin11101111011001011…
…010000101000001010
310001221021202012020010
4131323023100220022
51011301104222310
622432205412350
72215146500514
oct357313205012
9101837665203
1032131320330
111269932459a
12628886a0b6
133050acaba5
1417ab528bb4
15c80ccb320
hex77b2d0a0a

32131320330 has 32 divisors (see below), whose sum is σ = 77120064000. Its totient is φ = 8567808192.

The previous prime is 32131320323. The next prime is 32131320349. The reversal of 32131320330 is 3302313123.

It is a super-2 number, since 2×321313203302 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 32131320297 and 32131320306.

It is an unprimeable number.

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, 722376 + ... + 765564.

It is an arithmetic number, because the mean of its divisors is an integer number (2410002000).

Almost surely, 232131320330 is an apocalyptic number.

32131320330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

32131320330 is an abundant number, since it is smaller than the sum of its proper divisors (44988743670).

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

32131320330 is a wasteful number, since it uses less digits than its factorization.

32131320330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67998.

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

Adding to 32131320330 its reverse (3302313123), we get a palindrome (35433633453).

The spelling of 32131320330 in words is "thirty-two billion, one hundred thirty-one million, three hundred twenty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 24799 43189 49598 74397 86378 123995 129567 148794 215945 247990 259134 371985 431890 647835 743970 1295670 1071044011 2142088022 3213132033 5355220055 6426264066 10710440110 16065660165 32131320330