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2689744764008 = 239718353188861
BaseRepresentation
bin100111001001000001010…
…001111111110001101000
3100112010200221022021121202
4213021001101333301220
5323032044124422013
65415352433023332
7365220245156261
oct47110121776150
910463627267552
102689744764008
11947794885935
1237535a0b4b48
1316684618a123
1494281b91968
1549e76aab858
hex2724147fc68

2689744764008 has 32 divisors (see below), whose sum is σ = 5095568527560. Its totient is φ = 1330928148480.

The previous prime is 2689744763987. The next prime is 2689744764011. The reversal of 2689744764008 is 8004674479862.

It can be written as a sum of positive squares in 4 ways, for example, as 1561395195364 + 1128349568644 = 1249558^2 + 1062238^2 .

It is a super-2 number, since 2×26897447640082 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14147498 + ... + 14336358.

Almost surely, 22689744764008 is an apocalyptic number.

It is an amenable number.

2689744764008 is a deficient number, since it is larger than the sum of its proper divisors (2405823763552).

2689744764008 is a wasteful number, since it uses less digits than its factorization.

2689744764008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207317 (or 207313 counting only the distinct ones).

The product of its (nonzero) digits is 130056192, while the sum is 65.

The spelling of 2689744764008 in words is "two trillion, six hundred eighty-nine billion, seven hundred forty-four million, seven hundred sixty-four thousand, eight".

Divisors: 1 2 4 8 97 194 388 776 18353 36706 73412 146824 188861 377722 755444 1510888 1780241 3560482 7120964 14241928 18319517 36639034 73278068 146556136 3466165933 6932331866 13864663732 27729327464 336218095501 672436191002 1344872382004 2689744764008