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4128951601 = 21119568491
BaseRepresentation
bin1111011000011010…
…1100110100110001
3101122202100110210101
43312012230310301
531424002422401
61521413432401
7204214336525
oct36606546461
911582313711
104128951601
11182975a4a5
1297293b701
1350a560c38
142b251dd85
15192748101
hexf61acd31

4128951601 has 4 divisors (see below), whose sum is σ = 4148520304. Its totient is φ = 4109382900.

The previous prime is 4128951583. The next prime is 4128951637. The reversal of 4128951601 is 1061598214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1061598214 = 2530799107.

It is a cyclic number.

It is not a de Polignac number, because 4128951601 - 25 = 4128951569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4128951641) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 9784035 + ... + 9784456.

It is an arithmetic number, because the mean of its divisors is an integer number (1037130076).

Almost surely, 24128951601 is an apocalyptic number.

It is an amenable number.

4128951601 is a deficient number, since it is larger than the sum of its proper divisors (19568703).

4128951601 is a wasteful number, since it uses less digits than its factorization.

4128951601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19568702.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 4128951601 is about 64256.9187014130. The cubic root of 4128951601 is about 1604.2791185597.

The spelling of 4128951601 in words is "four billion, one hundred twenty-eight million, nine hundred fifty-one thousand, six hundred one".

Divisors: 1 211 19568491 4128951601