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3030705901 = 82115532377
BaseRepresentation
bin1011010010100100…
…1110011011101101
321211012210210220201
42310221032123231
522201330042101
61220422313501
7135050401156
oct26451163355
97735723821
103030705901
111315833223
12706b88891
13393b75902
1420a71a92d
1512b10be01
hexb4a4e6ed

3030705901 has 8 divisors (see below), whose sum is σ = 3037628664. Its totient is φ = 3023792640.

The previous prime is 3030705893. The next prime is 3030705911. The reversal of 3030705901 is 1095070303.

It can be written as a sum of positive squares in 4 ways, for example, as 203401 + 3030502500 = 451^2 + 55050^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3030705901 - 23 = 3030705893 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3030705901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030705911) 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, 1273825 + ... + 1276201.

It is an arithmetic number, because the mean of its divisors is an integer number (379703583).

Almost surely, 23030705901 is an apocalyptic number.

It is an amenable number.

3030705901 is a deficient number, since it is larger than the sum of its proper divisors (6922763).

3030705901 is a wasteful number, since it uses less digits than its factorization.

3030705901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4751.

The product of its (nonzero) digits is 2835, while the sum is 28.

The square root of 3030705901 is about 55051.8473895291. The cubic root of 3030705901 is about 1447.1534962864.

The spelling of 3030705901 in words is "three billion, thirty million, seven hundred five thousand, nine hundred one".

Divisors: 1 821 1553 2377 1275013 1951517 3691481 3030705901