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1213233230010 = 235232203798143
BaseRepresentation
bin10001101001111010010…
…101011111000010111010
311021222120022100211212110
4101221322111133002322
5124334200201330020
62325203542353150
7153440023205364
oct21517225370272
94258508324773
101213233230010
1142859059071a
1217717142b7b6
138a53b0a9c19
1442a13c45d34
152185b85c8e0
hex11a7a55f0ba

1213233230010 has 64 divisors (see below), whose sum is σ = 3039741001728. Its totient is φ = 309321528384.

The previous prime is 1213233229963. The next prime is 1213233230021. The reversal of 1213233230010 is 100323323121.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1120999 + ... + 1919141.

It is an arithmetic number, because the mean of its divisors is an integer number (47495953152).

Almost surely, 21213233230010 is an apocalyptic number.

1213233230010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1213233230010 is an abundant number, since it is smaller than the sum of its proper divisors (1826507771718).

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

1213233230010 is a wasteful number, since it uses less digits than its factorization.

1213233230010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800379.

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

Adding to 1213233230010 its reverse (100323323121), we get a palindrome (1313556553131).

The spelling of 1213233230010 in words is "one trillion, two hundred thirteen billion, two hundred thirty-three million, two hundred thirty thousand, ten".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 230 345 690 2203 4406 6609 11015 13218 22030 33045 50669 66090 101338 152007 253345 304014 506690 760035 798143 1520070 1596286 2394429 3990715 4788858 7981430 11972145 18357289 23944290 36714578 55071867 91786445 110143734 183572890 275359335 550718670 1758309029 3516618058 5274927087 8791545145 10549854174 17583090290 26374635435 40441107667 52749270870 80882215334 121323323001 202205538335 242646646002 404411076670 606616615005 1213233230010