Search a number
-
+
1223102313230 = 25731563641619
BaseRepresentation
bin10001110011000110100…
…101000011001100001110
311022221001002210012221012
4101303012211003030032
5130014403143010410
62333515131205222
7154236421060640
oct21630645031416
94287032705835
101223102313230
11431795407a46
121790665a6812
138b45191a535
14432ac84a890
1521c37eaa605
hex11cc694330e

1223102313230 has 32 divisors (see below), whose sum is σ = 2597260584960. Its totient is φ = 405821964960.

The previous prime is 1223102313161. The next prime is 1223102313239. The reversal of 1223102313230 is 323132013221.

It is a junction number, because it is equal to n+sod(n) for n = 1223102313196 and 1223102313205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223102313239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281818640 + ... + 281822979.

It is an arithmetic number, because the mean of its divisors is an integer number (81164393280).

Almost surely, 21223102313230 is an apocalyptic number.

1223102313230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1223102313230 is an abundant number, since it is smaller than the sum of its proper divisors (1374158271730).

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

1223102313230 is a wasteful number, since it uses less digits than its factorization.

1223102313230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563641664.

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

Adding to 1223102313230 its reverse (323132013221), we get a palindrome (1546234326451).

The spelling of 1223102313230 in words is "one trillion, two hundred twenty-three billion, one hundred two million, three hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 31 35 62 70 155 217 310 434 1085 2170 563641619 1127283238 2818208095 3945491333 5636416190 7890982666 17472890189 19727456665 34945780378 39454913330 87364450945 122310231323 174728901890 244620462646 611551156615 1223102313230