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2768820890 = 251125171099
BaseRepresentation
bin1010010100001000…
…1101101010011010
321010222000200012212
42211002031222122
521132304232030
61134425235122
7125420406053
oct24502155232
97128020185
102768820890
1111a0a22130
12653332aa2
13351831674
141c3a2972a
1511312b595
hexa508da9a

2768820890 has 16 divisors (see below), whose sum is σ = 5436957600. Its totient is φ = 1006843920.

The previous prime is 2768820877. The next prime is 2768820941. The reversal of 2768820890 is 980288672.

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, 12585440 + ... + 12585659.

It is an arithmetic number, because the mean of its divisors is an integer number (339809850).

Almost surely, 22768820890 is an apocalyptic number.

2768820890 is a deficient number, since it is larger than the sum of its proper divisors (2668136710).

2768820890 is a wasteful number, since it uses less digits than its factorization.

2768820890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25171117.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 2768820890 is about 52619.5865624199. The cubic root of 2768820890 is about 1404.2085756124.

The spelling of 2768820890 in words is "two billion, seven hundred sixty-eight million, eight hundred twenty thousand, eight hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 25171099 50342198 125855495 251710990 276882089 553764178 1384410445 2768820890