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2768508780988 = 229672719263239
BaseRepresentation
bin101000010010010111111…
…110111000000110111100
3100210200000010200220122211
4220102113332320012330
5330324401221442423
65515500235150204
7404006141234656
oct50222776700674
910720003626584
102768508780988
11978133039645
1238867bba5364
131710b920c432
1497dd47116d6
154c0367d310d
hex28497fb81bc

2768508780988 has 24 divisors (see below), whose sum is σ = 4851702732800. Its totient is φ = 1382309067888.

The previous prime is 2768508780967. The next prime is 2768508780997. The reversal of 2768508780988 is 8890878058672.

It is a super-2 number, since 2×27685087809882 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 10385473 + ... + 10648711.

Almost surely, 22768508780988 is an apocalyptic number.

It is an amenable number.

2768508780988 is a deficient number, since it is larger than the sum of its proper divisors (2083193951812).

2768508780988 is a wasteful number, since it uses less digits than its factorization.

2768508780988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266929 (or 266927 counting only the distinct ones).

The product of its (nonzero) digits is 867041280, while the sum is 76.

The spelling of 2768508780988 in words is "two trillion, seven hundred sixty-eight billion, five hundred eight million, seven hundred eighty thousand, nine hundred eighty-eight".

Divisors: 1 2 4 967 1934 2719 3868 5438 10876 263239 526478 1052956 2629273 5258546 10517092 254552113 509104226 715746841 1018208452 1431493682 2862987364 692127195247 1384254390494 2768508780988