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289476868690 = 2531193079379
BaseRepresentation
bin1000011011001100010…
…10100111101001010010
31000200012010210120101001
410031212022213221102
514220322034244230
6340552301532214
726625335533252
oct4154612475122
91020163716331
10289476868690
11101848166a69
124812927406a
13213b394a8a9
1410021725962
1577e39190ca
hex43662a7a52

289476868690 has 16 divisors (see below), whose sum is σ = 522733798080. Its totient is φ = 115418428720.

The previous prime is 289476868663. The next prime is 289476868771. The reversal of 289476868690 is 96868674982.

It is a super-2 number, since 2×2894768686902 (a number of 24 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, 46536580 + ... + 46542799.

It is an arithmetic number, because the mean of its divisors is an integer number (32670862380).

Almost surely, 2289476868690 is an apocalyptic number.

289476868690 is a deficient number, since it is larger than the sum of its proper divisors (233256929390).

289476868690 is a wasteful number, since it uses less digits than its factorization.

289476868690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93079697.

The product of its (nonzero) digits is 501645312, while the sum is 73.

The spelling of 289476868690 in words is "two hundred eighty-nine billion, four hundred seventy-six million, eight hundred sixty-eight thousand, six hundred ninety".

Divisors: 1 2 5 10 311 622 1555 3110 93079379 186158758 465396895 930793790 28947686869 57895373738 144738434345 289476868690