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2997386458 = 211197170781
BaseRepresentation
bin1011001010101000…
…0111110011011010
321201220010000020021
42302222013303122
522114312331313
61213232221054
7134164236013
oct26252076332
97656100207
102997386458
1112a8a458a0
126b799a78a
13389caaa71
1420612600a
1512822978d
hexb2a87cda

2997386458 has 16 divisors (see below), whose sum is σ = 5162963040. Its totient is φ = 1290740400.

The previous prime is 2997386443. The next prime is 2997386521. The reversal of 2997386458 is 8546837992.

It is a junction number, because it is equal to n+sod(n) for n = 2997386396 and 2997386405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3584973 + ... + 3585808.

It is an arithmetic number, because the mean of its divisors is an integer number (322685190).

Almost surely, 22997386458 is an apocalyptic number.

2997386458 is a deficient number, since it is larger than the sum of its proper divisors (2165576582).

2997386458 is a wasteful number, since it uses less digits than its factorization.

2997386458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7170813.

The product of its digits is 26127360, while the sum is 61.

The square root of 2997386458 is about 54748.3922868973. The cubic root of 2997386458 is about 1441.8306286452.

The spelling of 2997386458 in words is "two billion, nine hundred ninety-seven million, three hundred eighty-six thousand, four hundred fifty-eight".

Divisors: 1 2 11 19 22 38 209 418 7170781 14341562 78878591 136244839 157757182 272489678 1498693229 2997386458