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1230332431020 = 2235711231377347
BaseRepresentation
bin10001111001110101100…
…001110000101010101100
311100121200222112020222120
4101321311201300222230
5130124210100243040
62341112405512540
7154613533053360
oct21716541605254
94317628466876
101230332431020
11434865645500
1217a543a12750
138c0347c4244
1443796b892a0
152200cacc7d0
hex11e75870aac

1230332431020 has 288 divisors, whose sum is σ = 4341398444544. Its totient is φ = 254833413120.

The previous prime is 1230332430979. The next prime is 1230332431043. The reversal of 1230332431020 is 201342330321.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15867987 + ... + 15945333.

Almost surely, 21230332431020 is an apocalyptic number.

1230332431020 is a gapful number since it is divisible by the number (10) 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 1230332431020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170699222272).

1230332431020 is an abundant number, since it is smaller than the sum of its proper divisors (3111066013524).

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

1230332431020 is a wasteful number, since it uses less digits than its factorization.

1230332431020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77701 (or 77688 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1230332431020 its reverse (201342330321), we get a palindrome (1431674761341).

The spelling of 1230332431020 in words is "one trillion, two hundred thirty billion, three hundred thirty-two million, four hundred thirty-one thousand, twenty".