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1331024233244 = 2217671049278501
BaseRepresentation
bin10011010111100111001…
…110100000001100011100
311201020121100220210110212
4103113213032200030130
5133301414200430434
62455244124351552
7165110010211106
oct23274716401434
94636540823425
101331024233244
11473536530882
12195b653a55b8
13986907328c4
14485c9a4c576
152495291a8ce
hex135e73a031c

1331024233244 has 48 divisors (see below), whose sum is σ = 2505515392800. Its totient is φ = 616425216000.

The previous prime is 1331024233241. The next prime is 1331024233303. The reversal of 1331024233244 is 4423324201331.

It is a super-2 number, since 2×13310242332442 (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1331024233244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1331024233241) 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, 4639994 + ... + 4918494.

It is an arithmetic number, because the mean of its divisors is an integer number (52198237350).

Almost surely, 21331024233244 is an apocalyptic number.

It is an amenable number.

1331024233244 is a deficient number, since it is larger than the sum of its proper divisors (1174491159556).

1331024233244 is a wasteful number, since it uses less digits than its factorization.

1331024233244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279638 (or 279636 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 32.

Adding to 1331024233244 its reverse (4423324201331), we get a palindrome (5754348434575).

The spelling of 1331024233244 in words is "one trillion, three hundred thirty-one billion, twenty-four million, two hundred thirty-three thousand, two hundred forty-four".

Divisors: 1 2 4 17 34 67 68 134 268 1049 1139 2098 2278 4196 4556 17833 35666 70283 71332 140566 278501 281132 557002 1114004 1194811 2389622 4734517 4779244 9469034 18659567 18938068 37319134 74638268 292147549 317212639 584295098 634425278 1168590196 1268850556 4966508333 9933016666 19573885783 19866033332 39147771566 78295543132 332756058311 665512116622 1331024233244