Search a number
-
+
231333141000 = 23353137877537
BaseRepresentation
bin1101011101110010000…
…1111001101000001000
3211010010000010011112010
43113130201321220020
512242232241003000
6254134544015520
722466436153213
oct3273441715010
9733100104463
10231333141000
118a120588855
1238a010015a0
1318a78953ab0
14b2a75d677a
15603e137d50
hex35dc879a08

231333141000 has 256 divisors, whose sum is σ = 778370261760. Its totient is φ = 56863641600.

The previous prime is 231333140977. The next prime is 231333141037. The reversal of 231333141000 is 141333132.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 30689232 + ... + 30696768.

It is an arithmetic number, because the mean of its divisors is an integer number (3040508835).

Almost surely, 2231333141000 is an apocalyptic number.

231333141000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231333141000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389185130880).

231333141000 is an abundant number, since it is smaller than the sum of its proper divisors (547037120760).

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

231333141000 is a wasteful number, since it uses less digits than its factorization.

231333141000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8361 (or 8347 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 231333141000 its reverse (141333132), we get a palindrome (231474474132).

The spelling of 231333141000 in words is "two hundred thirty-one billion, three hundred thirty-three million, one hundred forty-one thousand".