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3207420271 = 112917956171
BaseRepresentation
bin1011111100101101…
…0101100101101111
322021112022211110101
42333023111211233
523032044422041
61250134051531
7142324423336
oct27713254557
98245284411
103207420271
1113a6561360
127561a9ba7
133c1669123
14225d9ad1d
1513b8b6b31
hexbf2d596f

3207420271 has 16 divisors (see below), whose sum is σ = 3639945600. Its totient is φ = 2799512800.

The previous prime is 3207420269. The next prime is 3207420287. The reversal of 3207420271 is 1720247023.

It is a cyclic number.

It is not a de Polignac number, because 3207420271 - 21 = 3207420269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3207420241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29016 + ... + 85186.

It is an arithmetic number, because the mean of its divisors is an integer number (227496600).

Almost surely, 23207420271 is an apocalyptic number.

3207420271 is a deficient number, since it is larger than the sum of its proper divisors (432525329).

3207420271 is a wasteful number, since it uses less digits than its factorization.

3207420271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56390.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 3207420271 is about 56634.0910671302. The cubic root of 3207420271 is about 1474.7507415250.

Adding to 3207420271 its reverse (1720247023), we get a palindrome (4927667294).

The spelling of 3207420271 in words is "three billion, two hundred seven million, four hundred twenty thousand, two hundred seventy-one".

Divisors: 1 11 29 179 319 1969 5191 56171 57101 617881 1628959 10054609 17918549 110600699 291583661 3207420271