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1230113332220 = 225523910312919
BaseRepresentation
bin10001111001101000011…
…101111101101111111100
311100121010201020212221012
4101321220131331233330
5130123233003112340
62341034541454352
7154605232542353
oct21715035755774
94317121225835
101230113332220
114347629a8313
1217a4a25713b8
138bccb2b0a96
1443775a3499a
1521ee874e565
hex11e6877dbfc

1230113332220 has 48 divisors (see below), whose sum is σ = 2588661949440. Its totient is φ = 491012559936.

The previous prime is 1230113332187. The next prime is 1230113332247. The reversal of 1230113332220 is 222333110321.

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, 95210921 + ... + 95223839.

It is an arithmetic number, because the mean of its divisors is an integer number (53930457280).

Almost surely, 21230113332220 is an apocalyptic number.

1230113332220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230113332220 is an abundant number, since it is smaller than the sum of its proper divisors (1358548617220).

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

1230113332220 is a wasteful number, since it uses less digits than its factorization.

1230113332220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22554 (or 22552 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 1230113332220 its reverse (222333110321), we get a palindrome (1452446442541).

The spelling of 1230113332220 in words is "one trillion, two hundred thirty billion, one hundred thirteen million, three hundred thirty-two thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 523 1046 2092 2615 5230 9103 10460 12919 18206 25838 36412 45515 51676 64595 91030 129190 182060 258380 4760869 6756637 9521738 13513274 19043476 23804345 27026548 33783185 47608690 67566370 95217380 117601657 135132740 235203314 470406628 588008285 1176016570 2352033140 61505666611 123011333222 246022666444 307528333055 615056666110 1230113332220