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18058207307 = 72368534843
BaseRepresentation
bin10000110100010110…
…100110000001001011
31201121111200222102212
4100310112212001023
5243440400113212
612143522015335
71206333141500
oct206426460113
951544628385
1018058207307
117727429478
1235bb7a754b
13191a30058a
14c3445d4a7
1570a554e22
hex4345a604b

18058207307 has 6 divisors (see below), whose sum is σ = 21006486108. Its totient is φ = 15478463364.

The previous prime is 18058207261. The next prime is 18058207333. The reversal of 18058207307 is 70370285081.

It is not a de Polignac number, because 18058207307 - 212 = 18058203211 is a prime.

It is a super-2 number, since 2×180582073072 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18058207357) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184267373 + ... + 184267470.

It is an arithmetic number, because the mean of its divisors is an integer number (3501081018).

Almost surely, 218058207307 is an apocalyptic number.

18058207307 is a deficient number, since it is larger than the sum of its proper divisors (2948278801).

18058207307 is an equidigital number, since it uses as much as digits as its factorization.

18058207307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368534857 (or 368534850 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 18058207307 in words is "eighteen billion, fifty-eight million, two hundred seven thousand, three hundred seven".

Divisors: 1 7 49 368534843 2579743901 18058207307