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3995914129 = 61142945841
BaseRepresentation
bin1110111000101100…
…1100111110010001
3101022111000110200121
43232023030332101
531140423223004
61500302150241
7201010465264
oct35613147621
911274013617
103995914129
111770653479
12936282381
134b8b20a3c
1429c9accdb
15185c19854
hexee2ccf91

3995914129 has 8 divisors (see below), whose sum is σ = 4064351720. Its totient is φ = 3927571200.

The previous prime is 3995914067. The next prime is 3995914133. The reversal of 3995914129 is 9214195993.

It can be written as a sum of positive squares in 4 ways, for example, as 29811600 + 3966102529 = 5460^2 + 62977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3995914129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3995914199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64249 + ... + 110089.

It is an arithmetic number, because the mean of its divisors is an integer number (508043965).

Almost surely, 23995914129 is an apocalyptic number.

It is an amenable number.

3995914129 is a deficient number, since it is larger than the sum of its proper divisors (68437591).

3995914129 is a wasteful number, since it uses less digits than its factorization.

3995914129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47331.

The product of its digits is 787320, while the sum is 52.

The square root of 3995914129 is about 63213.2433039154. The cubic root of 3995914129 is about 1586.8603748380.

The spelling of 3995914129 in words is "three billion, nine hundred ninety-five million, nine hundred fourteen thousand, one hundred twenty-nine".

Divisors: 1 61 1429 45841 87169 2796301 65506789 3995914129