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2806289912 = 23471132572
BaseRepresentation
bin1010011101000100…
…1001010111111000
321020120112022001102
42213101021113320
521221402234122
61142244310532
7126354033146
oct24721112770
97216468042
102806289912
111210094168
126639a2448
1335952019a
141c89c0596
1511657d492
hexa74495f8

2806289912 has 48 divisors (see below), whose sum is σ = 5442478560. Its totient is φ = 1355841536.

The previous prime is 2806289897. The next prime is 2806289921. The reversal of 2806289912 is 2199826082.

2806289912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10919288 + ... + 10919544.

It is an arithmetic number, because the mean of its divisors is an integer number (113384970).

Almost surely, 22806289912 is an apocalyptic number.

It is an amenable number.

2806289912 is a deficient number, since it is larger than the sum of its proper divisors (2636188648).

2806289912 is a wasteful number, since it uses less digits than its factorization.

2806289912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 47.

The square root of 2806289912 is about 52974.4269624505. The cubic root of 2806289912 is about 1410.5143592294.

The spelling of 2806289912 in words is "two billion, eight hundred six million, two hundred eighty-nine thousand, nine hundred twelve".

Divisors: 1 2 4 8 47 94 113 188 226 257 376 452 514 904 1028 2056 5311 10622 12079 21244 24158 29041 42488 48316 58082 66049 96632 116164 132098 232328 264196 528392 1364927 2729854 3104303 5459708 6208606 7463537 10919416 12417212 14927074 24834424 29854148 59708296 350786239 701572478 1403144956 2806289912